16157122727 has 8 divisors (see below), whose sum is σ = 16834515600. Its totient is φ = 15487746624.

The previous prime is 16157122691. The next prime is 16157122747. The reversal of 16157122727 is 72722175161.

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

It is a cyclic number.

It is not a de Polignac number, because 16157122727 - 2¹⁰ = 16157121703 is a prime.

It is a super-2 number, since 2×16157122727² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157122747) 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, 2000078 + ... + 2008139.

It is an arithmetic number, because the mean of its divisors is an integer number (2104314450).

Almost surely, 2^16157122727 is an apocalyptic number.

16157122727 is a deficient number, since it is larger than the sum of its proper divisors (677392873).

16157122727 is a wasteful number, since it uses less digits than its factorization.

16157122727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008385.

The product of its digits is 82320, while the sum is 41.

Adding to 16157122727 its reverse (72722175161), we get a palindrome (88879297888).

The spelling of 16157122727 in words is "sixteen billion, one hundred fifty-seven million, one hundred twenty-two thousand, seven hundred twenty-seven".