72816651996933 has 128 divisors (see below), whose sum is σ = 114074135239680. Its totient is φ = 40941111214080.

The previous prime is 72816651996877. The next prime is 72816651996971. The reversal of 72816651996933 is 33969915661827.

It is not a de Polignac number, because 72816651996933 - 2¹⁰ = 72816651995909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72816651996133) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9489980785 + ... + 9489988457.

It is an arithmetic number, because the mean of its divisors is an integer number (891204181560).

Almost surely, 2^{72816651996933} is an apocalyptic number.

It is an amenable number.

72816651996933 is a deficient number, since it is larger than the sum of its proper divisors (41257483242747).

72816651996933 is a wasteful number, since it uses less digits than its factorization.

72816651996933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599.

The product of its digits is 793618560, while the sum is 75.

The spelling of 72816651996933 in words is "seventy-two trillion, eight hundred sixteen billion, six hundred fifty-one million, nine hundred ninety-six thousand, nine hundred thirty-three".