16160121 has 16 divisors (see below), whose sum is σ = 24009600. Its totient is φ = 10742544.

The previous prime is 16160087. The next prime is 16160129. The reversal of 16160121 is 12106161.

16160121 is a `hidden beast` number, since 1 + 61 + 601 + 2 + 1 = 666.

It is not a de Polignac number, because 16160121 - 2⁹ = 16159609 is a prime.

It is a super-2 number, since 2×16160121² = 522299021469282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16160094 and 16160103.

It is not an unprimeable number, because it can be changed into a prime (16160129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12535 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (1500600).

Almost surely, 2^16160121 is an apocalyptic number.

It is an amenable number.

16160121 is a deficient number, since it is larger than the sum of its proper divisors (7849479).

16160121 is a wasteful number, since it uses less digits than its factorization.

16160121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 16160121 is about 4019.9652983577. The cubic root of 16160121 is about 252.8220039815.

Adding to 16160121 its reverse (12106161), we get a palindrome (28266282).

The spelling of 16160121 in words is "sixteen million, one hundred sixty thousand, one hundred twenty-one".