172580771352 has 32 divisors (see below), whose sum is σ = 470674831680. Its totient is φ = 52297203360.

The previous prime is 172580771347. The next prime is 172580771381. The reversal of 172580771352 is 253177085271.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326857258 + ... + 326857785.

It is an arithmetic number, because the mean of its divisors is an integer number (14708588490).

Almost surely, 2^172580771352 is an apocalyptic number.

172580771352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172580771352 is an abundant number, since it is smaller than the sum of its proper divisors (298094060328).

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

172580771352 is a wasteful number, since it uses less digits than its factorization.

172580771352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653715063 (or 653715059 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 172580771352 in words is "one hundred seventy-two billion, five hundred eighty million, seven hundred seventy-one thousand, three hundred fifty-two".