166262615532 has 72 divisors (see below), whose sum is σ = 452909649920. Its totient is φ = 51123156480.

The previous prime is 166262615503. The next prime is 166262615539. The reversal of 166262615532 is 235516262661.

166262615532 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 626 + 15 + 5 + 3 + 2 = 666.

166262615532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166262615539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 577557 + ... + 816147.

Almost surely, 2^166262615532 is an apocalyptic number.

166262615532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166262615532 is an abundant number, since it is smaller than the sum of its proper divisors (286647034388).

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

166262615532 is a wasteful number, since it uses less digits than its factorization.

166262615532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240103 (or 240098 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 166262615532 in words is "one hundred sixty-six billion, two hundred sixty-two million, six hundred fifteen thousand, five hundred thirty-two".