157196067831 has 12 divisors (see below), whose sum is σ = 247702894920. Its totient is φ = 95270344080.

The previous prime is 157196067829. The next prime is 157196067841. The reversal of 157196067831 is 138760691751.

157196067831 is a `hidden beast` number, since 1 + 571 + 9 + 6 + 0 + 67 + 8 + 3 + 1 = 666.

It is not a de Polignac number, because 157196067831 - 2¹ = 157196067829 is a prime.

It is a super-2 number, since 2×157196067831² (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 (157196067841) 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, 793919436 + ... + 793919633.

It is an arithmetic number, because the mean of its divisors is an integer number (20641907910).

Almost surely, 2^157196067831 is an apocalyptic number.

157196067831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157196067831 is a deficient number, since it is larger than the sum of its proper divisors (90506827089).

157196067831 is a wasteful number, since it uses less digits than its factorization.

157196067831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587839086 (or 1587839083 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 157196067831 in words is "one hundred fifty-seven billion, one hundred ninety-six million, sixty-seven thousand, eight hundred thirty-one".