172045648926 has 48 divisors (see below), whose sum is σ = 392532940800. Its totient is φ = 54309695184.

The previous prime is 172045648897. The next prime is 172045648937. The reversal of 172045648926 is 629846540271.

172045648926 is a `hidden beast` number, since 1 + 72 + 0 + 4 + 564 + 8 + 9 + 2 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825345 + ... + 1012563.

It is an arithmetic number, because the mean of its divisors is an integer number (8177769600).

Almost surely, 2^172045648926 is an apocalyptic number.

172045648926 is an abundant number, since it is smaller than the sum of its proper divisors (220487291874).

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

172045648926 is a wasteful number, since it uses less digits than its factorization.

172045648926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189933 (or 189930 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 172045648926 in words is "one hundred seventy-two billion, forty-five million, six hundred forty-eight thousand, nine hundred twenty-six".