72157150858 has 16 divisors (see below), whose sum is σ = 122696370720. Its totient is φ = 31550494896.

The previous prime is 72157150847. The next prime is 72157150883. The reversal of 72157150858 is 85805175127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73033060 + ... + 73034047.

It is an arithmetic number, because the mean of its divisors is an integer number (7668523170).

Almost surely, 2^72157150858 is an apocalyptic number.

72157150858 is a deficient number, since it is larger than the sum of its proper divisors (50539219862).

72157150858 is a wasteful number, since it uses less digits than its factorization.

72157150858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146067141.

The product of its (nonzero) digits is 784000, while the sum is 49.

The spelling of 72157150858 in words is "seventy-two billion, one hundred fifty-seven million, one hundred fifty thousand, eight hundred fifty-eight".