166532642025056 has 48 divisors (see below), whose sum is σ = 333287471019888. Its totient is φ = 81899454873600.

The previous prime is 166532642025047. The next prime is 166532642025089. The reversal of 166532642025056 is 650520246235661.

It is a junction number, because it is equal to n+sod(n) for n = 166532642024989 and 166532642025007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175306385 + ... + 176253776.

It is an arithmetic number, because the mean of its divisors is an integer number (6943488979581).

Almost surely, 2^{166532642025056} is an apocalyptic number.

166532642025056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166532642025056 is an abundant number, since it is smaller than the sum of its proper divisors (166754828994832).

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

166532642025056 is a wasteful number, since it uses less digits than its factorization.

166532642025056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351560415 (or 351560407 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 166532642025056 in words is "one hundred sixty-six trillion, five hundred thirty-two billion, six hundred forty-two million, twenty-five thousand, fifty-six".