157676162731 has 8 divisors (see below), whose sum is σ = 161044291584. Its totient is φ = 154308588840.

The previous prime is 157676162729. The next prime is 157676162741. The reversal of 157676162731 is 137261676751.

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 157676162731 - 2¹ = 157676162729 is a prime.

It is a super-2 number, since 2×157676162731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157676162701) 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, 463156 + ... + 727918.

It is an arithmetic number, because the mean of its divisors is an integer number (20130536448).

Almost surely, 2^157676162731 is an apocalyptic number.

157676162731 is a deficient number, since it is larger than the sum of its proper divisors (3368128853).

157676162731 is a wasteful number, since it uses less digits than its factorization.

157676162731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277481.

The product of its digits is 2222640, while the sum is 52.

The spelling of 157676162731 in words is "one hundred fifty-seven billion, six hundred seventy-six million, one hundred sixty-two thousand, seven hundred thirty-one".