72107366666 has 16 divisors (see below), whose sum is σ = 112674439680. Its totient is φ = 34570560240.

The previous prime is 72107366563. The next prime is 72107366693. The reversal of 72107366666 is 66666370127.

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, 5328206 + ... + 5341721.

It is an arithmetic number, because the mean of its divisors is an integer number (7042152480).

Almost surely, 2^72107366666 is an apocalyptic number.

72107366666 is a deficient number, since it is larger than the sum of its proper divisors (40567073014).

72107366666 is a wasteful number, since it uses less digits than its factorization.

72107366666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670069.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 72107366666 in words is "seventy-two billion, one hundred seven million, three hundred sixty-six thousand, six hundred sixty-six".