171382612980 has 48 divisors (see below), whose sum is σ = 479960490240. Its totient is φ = 45693537408.

The previous prime is 171382612969. The next prime is 171382612987. The reversal of 171382612980 is 89216283171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171382612987) 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, 63541 + ... + 588899.

It is an arithmetic number, because the mean of its divisors is an integer number (9999176880).

Almost surely, 2^171382612980 is an apocalyptic number.

171382612980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171382612980 is an abundant number, since it is smaller than the sum of its proper divisors (308577877260).

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

171382612980 is a wasteful number, since it uses less digits than its factorization.

171382612980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530808 (or 530806 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 171382612980 in words is "one hundred seventy-one billion, three hundred eighty-two million, six hundred twelve thousand, nine hundred eighty".