72866518246 has 16 divisors (see below), whose sum is σ = 114094059120. Its totient is φ = 34867450080.

The previous prime is 72866518237. The next prime is 72866518267. The reversal of 72866518246 is 64281566827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8066656 + ... + 8075683.

It is an arithmetic number, because the mean of its divisors is an integer number (7130878695).

Almost surely, 2^72866518246 is an apocalyptic number.

72866518246 is a deficient number, since it is larger than the sum of its proper divisors (41227540874).

72866518246 is a wasteful number, since it uses less digits than its factorization.

72866518246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142439.

The product of its digits is 7741440, while the sum is 55.

The spelling of 72866518246 in words is "seventy-two billion, eight hundred sixty-six million, five hundred eighteen thousand, two hundred forty-six".