16160420 has 12 divisors (see below), whose sum is σ = 33936924. Its totient is φ = 6464160.

The previous prime is 16160377. The next prime is 16160447. The reversal of 16160420 is 2406161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 13118884 = 1744^2 + 3622^2 .

It is a super-2 number, since 2×16160420² = 522318349152800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 808021 = 16160420 / (1 + 6 + 1 + 6 + 0 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 16160392 and 16160401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403991 + ... + 404030.

It is an arithmetic number, because the mean of its divisors is an integer number (2828077).

Almost surely, 2^16160420 is an apocalyptic number.

16160420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16160420 is an abundant number, since it is smaller than the sum of its proper divisors (17776504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16160420 is a wasteful number, since it uses less digits than its factorization.

16160420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808030 (or 808028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16160420 is about 4020.0024875614. The cubic root of 16160420 is about 252.8235632379.

Subtracting from 16160420 its sum of digits (20), we obtain a square (16160400 = 4020²).

Adding to 16160420 its reverse (2406161), we get a palindrome (18566581).

The spelling of 16160420 in words is "sixteen million, one hundred sixty thousand, four hundred twenty".