72161014224408 has 32 divisors (see below), whose sum is σ = 181197260400960. Its totient is φ = 23947708096160.

The previous prime is 72161014224407. The next prime is 72161014224547. The reversal of 72161014224408 is 80442241016127.

It is a self number, because there is not a number n which added to its sum of digits gives 72161014224408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72161014224407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6622701438 + ... + 6622712333.

It is an arithmetic number, because the mean of its divisors is an integer number (5662414387530).

Almost surely, 2^{72161014224408} is an apocalyptic number.

It is an amenable number.

72161014224408 is an abundant number, since it is smaller than the sum of its proper divisors (109036246176552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72161014224408 is a wasteful number, since it uses less digits than its factorization.

72161014224408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13245414007 (or 13245414003 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 72161014224408 in words is "seventy-two trillion, one hundred sixty-one billion, fourteen million, two hundred twenty-four thousand, four hundred eight".