166327164632 has 8 divisors (see below), whose sum is σ = 311863433700. Its totient is φ = 83163582312.

The previous prime is 166327164631. The next prime is 166327164709. The reversal of 166327164632 is 236461723661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166327164631) by changing a digit.

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 as a sum of consecutive naturals, namely, 10395447782 + ... + 10395447797.

Almost surely, 2^166327164632 is an apocalyptic number.

It is an amenable number.

166327164632 is a deficient number, since it is larger than the sum of its proper divisors (145536269068).

166327164632 is a wasteful number, since it uses less digits than its factorization.

166327164632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790895585 (or 20790895581 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The spelling of 166327164632 in words is "one hundred sixty-six billion, three hundred twenty-seven million, one hundred sixty-four thousand, six hundred thirty-two".