172004097366864 has 120 divisors (see below), whose sum is σ = 553644166707840. Its totient is φ = 48831008488704.

The previous prime is 172004097366863. The next prime is 172004097366889. The reversal of 172004097366864 is 468663790400271.

It is a happy number.

172004097366864 is a `hidden beast` number, since 1 + 7 + 20 + 0 + 409 + 73 + 66 + 86 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172004097366863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 543278004 + ... + 543594515.

It is an arithmetic number, because the mean of its divisors is an integer number (4613701389232).

Almost surely, 2^{172004097366864} is an apocalyptic number.

172004097366864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172004097366864 is an abundant number, since it is smaller than the sum of its proper divisors (381640069340976).

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

172004097366864 is a wasteful number, since it uses less digits than its factorization.

172004097366864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086872697 (or 1086872688 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 172004097366864 in words is "one hundred seventy-two trillion, four billion, ninety-seven million, three hundred sixty-six thousand, eight hundred sixty-four".