16157860901 has 32 divisors (see below), whose sum is σ = 20653129728. Its totient is φ = 12300361920.

The previous prime is 16157860867. The next prime is 16157860907. The reversal of 16157860901 is 10906875161.

It is not a de Polignac number, because 16157860901 - 2¹⁰ = 16157859877 is a prime.

It is a super-2 number, since 2×16157860901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157860907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231356 + ... + 292986.

It is an arithmetic number, because the mean of its divisors is an integer number (645410304).

Almost surely, 2^16157860901 is an apocalyptic number.

It is an amenable number.

16157860901 is a deficient number, since it is larger than the sum of its proper divisors (4495268827).

16157860901 is a wasteful number, since it uses less digits than its factorization.

16157860901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61761.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 16157860901 in words is "sixteen billion, one hundred fifty-seven million, eight hundred sixty thousand, nine hundred one".