72153662377054 has 32 divisors (see below), whose sum is σ = 115152647473152. Its totient is φ = 33857044956000.

The previous prime is 72153662377037. The next prime is 72153662377067. The reversal of 72153662377054 is 45077326635127.

It is a self number, because there is not a number n which added to its sum of digits gives 72153662377054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134084832 + ... + 134621875.

It is an arithmetic number, because the mean of its divisors is an integer number (3598520233536).

Almost surely, 2^{72153662377054} is an apocalyptic number.

72153662377054 is a deficient number, since it is larger than the sum of its proper divisors (42998985096098).

72153662377054 is a wasteful number, since it uses less digits than its factorization.

72153662377054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268706872.

The product of its (nonzero) digits is 44452800, while the sum is 58.

The spelling of 72153662377054 in words is "seventy-two trillion, one hundred fifty-three billion, six hundred sixty-two million, three hundred seventy-seven thousand, fifty-four".