132170510556 has 72 divisors (see below), whose sum is σ = 382351656960. Its totient is φ = 37711007136.

The previous prime is 132170510543. The next prime is 132170510573. The reversal of 132170510556 is 655015071231.

It is a happy number.

132170510556 is a `hidden beast` number, since 1 + 3 + 21 + 70 + 5 + 10 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 132170510556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177516 + ... + 543923.

It is an arithmetic number, because the mean of its divisors is an integer number (5310439680).

Almost surely, 2^132170510556 is an apocalyptic number.

It is an amenable number.

132170510556 is an abundant number, since it is smaller than the sum of its proper divisors (250181146404).

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

132170510556 is a wasteful number, since it uses less digits than its factorization.

132170510556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722183 (or 722178 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

Adding to 132170510556 its reverse (655015071231), we get a palindrome (787185581787).

The spelling of 132170510556 in words is "one hundred thirty-two billion, one hundred seventy million, five hundred ten thousand, five hundred fifty-six".