72211504073164 has 6 divisors (see below), whose sum is σ = 126370132128044. Its totient is φ = 36105752036580.

The previous prime is 72211504073143. The next prime is 72211504073173. The reversal of 72211504073164 is 46137040511227.

72211504073164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 72211504073164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9026438009142 + ... + 9026438009149.

Almost surely, 2^{72211504073164} is an apocalyptic number.

It is an amenable number.

72211504073164 is a deficient number, since it is larger than the sum of its proper divisors (54158628054880).

72211504073164 is a wasteful number, since it uses less digits than its factorization.

72211504073164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052876018295 (or 18052876018293 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 72211504073164 in words is "seventy-two trillion, two hundred eleven billion, five hundred four million, seventy-three thousand, one hundred sixty-four".