72160374256 has 40 divisors (see below), whose sum is σ = 140215244400. Its totient is φ = 35975915520.

The previous prime is 72160374239. The next prime is 72160374259. The reversal of 72160374256 is 65247306127.

It is a super-2 number, since 2×72160374256² (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 (72160374259) 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, 13930675 + ... + 13935853.

It is an arithmetic number, because the mean of its divisors is an integer number (3505381110).

Almost surely, 2^72160374256 is an apocalyptic number.

It is an amenable number.

72160374256 is a deficient number, since it is larger than the sum of its proper divisors (68054870144).

72160374256 is a wasteful number, since it uses less digits than its factorization.

72160374256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 72160374256 in words is "seventy-two billion, one hundred sixty million, three hundred seventy-four thousand, two hundred fifty-six".