72662231164436 has 48 divisors (see below), whose sum is σ = 140610863312640. Its totient is φ = 32734804058880.

The previous prime is 72662231164427. The next prime is 72662231164441. The reversal of 72662231164436 is 63446113226627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332021336 + ... + 332240111.

It is an arithmetic number, because the mean of its divisors is an integer number (2929392985680).

Almost surely, 2^{72662231164436} is an apocalyptic number.

It is an amenable number.

72662231164436 is a deficient number, since it is larger than the sum of its proper divisors (67948632148204).

72662231164436 is a wasteful number, since it uses less digits than its factorization.

72662231164436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664261544 (or 664261542 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 53.

The spelling of 72662231164436 in words is "seventy-two trillion, six hundred sixty-two billion, two hundred thirty-one million, one hundred sixty-four thousand, four hundred thirty-six".