172954794564 has 48 divisors (see below), whose sum is σ = 456001358400. Its totient is φ = 56674450368.

The previous prime is 172954794547. The next prime is 172954794569. The reversal of 172954794564 is 465497459271.

172954794564 is a `hidden beast` number, since 1 + 7 + 29 + 5 + 47 + 9 + 4 + 564 = 666.

It is not an unprimeable number, because it can be changed into a prime (172954794569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13565097 + ... + 13577840.

It is an arithmetic number, because the mean of its divisors is an integer number (9500028300).

Almost surely, 2^172954794564 is an apocalyptic number.

It is an amenable number.

172954794564 is an abundant number, since it is smaller than the sum of its proper divisors (283046563836).

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

172954794564 is a wasteful number, since it uses less digits than its factorization.

172954794564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27143009 (or 27143001 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 172954794564 in words is "one hundred seventy-two billion, nine hundred fifty-four million, seven hundred ninety-four thousand, five hundred sixty-four".