72866641044106 has 48 divisors (see below), whose sum is σ = 135264485651328. Its totient is φ = 28825869384000.

The previous prime is 72866641044059. The next prime is 72866641044173. The reversal of 72866641044106 is 60144014666827.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 157796956 + ... + 158258056.

It is an arithmetic number, because the mean of its divisors is an integer number (2818010117736).

Almost surely, 2^{72866641044106} is an apocalyptic number.

72866641044106 is a deficient number, since it is larger than the sum of its proper divisors (62397844607222).

72866641044106 is a wasteful number, since it uses less digits than its factorization.

72866641044106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527927 (or 527914 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 72866641044106 in words is "seventy-two trillion, eight hundred sixty-six billion, six hundred forty-one million, forty-four thousand, one hundred six".