16157380 has 12 divisors (see below), whose sum is σ = 33930540. Its totient is φ = 6462944.

The previous prime is 16157377. The next prime is 16157389. The reversal of 16157380 is 8375161.

16157380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7300804 + 8856576 = 2702^2 + 2976^2 .

It is a super-2 number, since 2×16157380² = 522121856928800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16157389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403915 + ... + 403954.

It is an arithmetic number, because the mean of its divisors is an integer number (2827545).

Almost surely, 2^16157380 is an apocalyptic number.

16157380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16157380 is an abundant number, since it is smaller than the sum of its proper divisors (17773160).

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

16157380 is a wasteful number, since it uses less digits than its factorization.

16157380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807878 (or 807876 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 16157380 is about 4019.6243605591. The cubic root of 16157380 is about 252.8077090329.

The spelling of 16157380 in words is "sixteen million, one hundred fifty-seven thousand, three hundred eighty".