172045648936 has 64 divisors (see below), whose sum is σ = 381456921600. Its totient is φ = 71177315328.

The previous prime is 172045648897. The next prime is 172045648937. The reversal of 172045648936 is 639846540271.

It is not an unprimeable number, because it can be changed into a prime (172045648937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14387536 + ... + 14399488.

It is an arithmetic number, because the mean of its divisors is an integer number (5960264400).

It is a 1-persistent number, because it is pandigital, but 2⋅172045648936 = 344091297872 is not.

Almost surely, 2^172045648936 is an apocalyptic number.

It is an amenable number.

172045648936 is an abundant number, since it is smaller than the sum of its proper divisors (209411272664).

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

172045648936 is a wasteful number, since it uses less digits than its factorization.

172045648936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20858 (or 20854 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 172045648936 in words is "one hundred seventy-two billion, forty-five million, six hundred forty-eight thousand, nine hundred thirty-six".