72466326566 has 16 divisors (see below), whose sum is σ = 109235994288. Its totient is φ = 36054396000.

The previous prime is 72466326509. The next prime is 72466326631. The reversal of 72466326566 is 66562366427.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645396 + ... + 2672648.

It is an arithmetic number, because the mean of its divisors is an integer number (6827249643).

Almost surely, 2^72466326566 is an apocalyptic number.

72466326566 is a deficient number, since it is larger than the sum of its proper divisors (36769667722).

72466326566 is a wasteful number, since it uses less digits than its factorization.

72466326566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33767.

The product of its digits is 13063680, while the sum is 53.

The spelling of 72466326566 in words is "seventy-two billion, four hundred sixty-six million, three hundred twenty-six thousand, five hundred sixty-six".