157872342918 has 16 divisors (see below), whose sum is σ = 315758920176. Its totient is φ = 52621741920.

The previous prime is 157872342911. The next prime is 157872342983. The reversal of 157872342918 is 819243278751.

It is a happy number.

It is a super-3 number, since 3×157872342918³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157872342911) 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, 446113 + ... + 717468.

It is an arithmetic number, because the mean of its divisors is an integer number (19734932511).

Almost surely, 2^157872342918 is an apocalyptic number.

157872342918 is an abundant number, since it is smaller than the sum of its proper divisors (157886577258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157872342918 is a wasteful number, since it uses less digits than its factorization.

157872342918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186199.

The product of its digits is 6773760, while the sum is 57.

The spelling of 157872342918 in words is "one hundred fifty-seven billion, eight hundred seventy-two million, three hundred forty-two thousand, nine hundred eighteen".