166316532 has 12 divisors (see below), whose sum is σ = 388071936. Its totient is φ = 55438840.

The previous prime is 166316531. The next prime is 166316539. The reversal of 166316532 is 235613661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×166316532² = 55322377633014048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166316493 and 166316502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166316531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6929844 + ... + 6929867.

It is an arithmetic number, because the mean of its divisors is an integer number (32339328).

Almost surely, 2^166316532 is an apocalyptic number.

166316532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166316532 is an abundant number, since it is smaller than the sum of its proper divisors (221755404).

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

166316532 is a wasteful number, since it uses less digits than its factorization.

166316532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13859718 (or 13859716 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 166316532 is about 12896.3767004535. The cubic root of 166316532 is about 549.9355649032.

The spelling of 166316532 in words is "one hundred sixty-six million, three hundred sixteen thousand, five hundred thirty-two".