72164813484 has 24 divisors (see below), whose sum is σ = 169874696880. Its totient is φ = 23842061824.

The previous prime is 72164813449. The next prime is 72164813491. The reversal of 72164813484 is 48431846127.

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 in 7 ways as a sum of consecutive naturals, for example, 26608089 + ... + 26610800.

It is an arithmetic number, because the mean of its divisors is an integer number (7078112370).

Almost surely, 2^72164813484 is an apocalyptic number.

It is an amenable number.

72164813484 is an abundant number, since it is smaller than the sum of its proper divisors (97709883396).

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

72164813484 is a wasteful number, since it uses less digits than its factorization.

72164813484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53219009 (or 53219007 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The spelling of 72164813484 in words is "seventy-two billion, one hundred sixty-four million, eight hundred thirteen thousand, four hundred eighty-four".