72118332658 has 8 divisors (see below), whose sum is σ = 108428492160. Its totient is φ = 35975501940.

The previous prime is 72118332647. The next prime is 72118332659. The reversal of 72118332658 is 85623381127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72118332659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41831118 + ... + 41832841.

It is an arithmetic number, because the mean of its divisors is an integer number (13553561520).

Almost surely, 2^72118332658 is an apocalyptic number.

72118332658 is a deficient number, since it is larger than the sum of its proper divisors (36310159502).

72118332658 is a wasteful number, since it uses less digits than its factorization.

72118332658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83664392.

The product of its digits is 483840, while the sum is 46.

The spelling of 72118332658 in words is "seventy-two billion, one hundred eighteen million, three hundred thirty-two thousand, six hundred fifty-eight".