156787468431 has 16 divisors (see below), whose sum is σ = 228061370880. Its totient is φ = 95019845120.

The previous prime is 156787468381. The next prime is 156787468433. The reversal of 156787468431 is 134864787651.

It is a cyclic number.

It is not a de Polignac number, because 156787468431 - 2¹¹ = 156787466383 is a prime.

It is a super-2 number, since 2×156787468431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156787468433) 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, 1680106 + ... + 1770968.

It is an arithmetic number, because the mean of its divisors is an integer number (14253835680).

Almost surely, 2^156787468431 is an apocalyptic number.

156787468431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

156787468431 is a deficient number, since it is larger than the sum of its proper divisors (71273902449).

156787468431 is a wasteful number, since it uses less digits than its factorization.

156787468431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143166.

The product of its digits is 27095040, while the sum is 60.

The spelling of 156787468431 in words is "one hundred fifty-six billion, seven hundred eighty-seven million, four hundred sixty-eight thousand, four hundred thirty-one".