72116160022072 has 16 divisors (see below), whose sum is σ = 135224063638200. Its totient is φ = 36056409718560.

The previous prime is 72116160022007. The next prime is 72116160022079. The reversal of 72116160022072 is 27022006161127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72116160022079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208603054 + ... + 208948477.

Almost surely, 2^{72116160022072} is an apocalyptic number.

It is an amenable number.

72116160022072 is a deficient number, since it is larger than the sum of its proper divisors (63107903616128).

72116160022072 is a wasteful number, since it uses less digits than its factorization.

72116160022072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417573126 (or 417573122 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 72116160022072 its reverse (27022006161127), we get a palindrome (99138166183199).

The spelling of 72116160022072 in words is "seventy-two trillion, one hundred sixteen billion, one hundred sixty million, twenty-two thousand, seventy-two".