166707151632 has 90 divisors (see below), whose sum is σ = 542719691358. Its totient is φ = 47630612736.

The previous prime is 166707151591. The next prime is 166707151661. The reversal of 166707151632 is 236151707661.

166707151632 is a `hidden beast` number, since 1 + 6 + 6 + 7 + 0 + 7 + 1 + 5 + 1 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 159133975056 + 7573176576 = 398916^2 + 87024^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11806093 + ... + 11820204.

Almost surely, 2^166707151632 is an apocalyptic number.

166707151632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166707151632 is an abundant number, since it is smaller than the sum of its proper divisors (376012539726).

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

166707151632 is a wasteful number, since it uses less digits than its factorization.

166707151632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626325 (or 23626309 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 166707151632 in words is "one hundred sixty-six billion, seven hundred seven million, one hundred fifty-one thousand, six hundred thirty-two".