156297949707 has 32 divisors (see below), whose sum is σ = 218179179072. Its totient is φ = 99418834944.

The previous prime is 156297949699. The next prime is 156297949751. The reversal of 156297949707 is 707949792651.

It is not a de Polignac number, because 156297949707 - 2³ = 156297949699 is a prime.

It is a super-2 number, since 2×156297949707² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156297909707) 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, 13978303 + ... + 13989479.

It is an arithmetic number, because the mean of its divisors is an integer number (6818099346).

Almost surely, 2^156297949707 is an apocalyptic number.

156297949707 is a deficient number, since it is larger than the sum of its proper divisors (61881229365).

156297949707 is a wasteful number, since it uses less digits than its factorization.

156297949707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13647.

The product of its (nonzero) digits is 60011280, while the sum is 66.

The spelling of 156297949707 in words is "one hundred fifty-six billion, two hundred ninety-seven million, nine hundred forty-nine thousand, seven hundred seven".