16157913 has 8 divisors (see below), whose sum is σ = 22238976. Its totient is φ = 10424400.

The previous prime is 16157903. The next prime is 16157927. The reversal of 16157913 is 31975161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16157913 - 2⁶ = 16157849 is a prime.

It is a super-2 number, since 2×16157913² = 522156305031138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16157903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86778 + ... + 86963.

It is an arithmetic number, because the mean of its divisors is an integer number (2779872).

Almost surely, 2^16157913 is an apocalyptic number.

It is an amenable number.

16157913 is a deficient number, since it is larger than the sum of its proper divisors (6081063).

16157913 is a wasteful number, since it uses less digits than its factorization.

16157913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173775.

The product of its digits is 5670, while the sum is 33.

The square root of 16157913 is about 4019.6906597399. The cubic root of 16157913 is about 252.8104888777.

The spelling of 16157913 in words is "sixteen million, one hundred fifty-seven thousand, nine hundred thirteen".