157471163731 has 12 divisors (see below), whose sum is σ = 187648566840. Its totient is φ = 131683201440.

The previous prime is 157471163711. The next prime is 157471163737. The reversal of 157471163731 is 137361174751.

It is not a de Polignac number, because 157471163731 - 2⁵ = 157471163699 is a prime.

It is a super-2 number, since 2×157471163731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157471163737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39189421 + ... + 39193438.

It is an arithmetic number, because the mean of its divisors is an integer number (15637380570).

Almost surely, 2^157471163731 is an apocalyptic number.

157471163731 is a deficient number, since it is larger than the sum of its proper divisors (30177403109).

157471163731 is an equidigital number, since it uses as much as digits as its factorization.

157471163731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78382914 (or 78382907 counting only the distinct ones).

The product of its digits is 370440, while the sum is 46.

The spelling of 157471163731 in words is "one hundred fifty-seven billion, four hundred seventy-one million, one hundred sixty-three thousand, seven hundred thirty-one".