166132620 has 60 divisors (see below), whose sum is σ = 521169264. Its totient is φ = 44301600.

The previous prime is 166132601. The next prime is 166132643. The reversal of 166132620 is 26231661.

166132620 is a `hidden beast` number, since 1 + 6 + 6 + 1 + 32 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49656 + ... + 52895.

Almost surely, 2^166132620 is an apocalyptic number.

166132620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166132620 is an abundant number, since it is smaller than the sum of its proper divisors (355036644).

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

166132620 is a wasteful number, since it uses less digits than its factorization.

166132620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102572 (or 102561 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 166132620 is about 12889.2443533358. The cubic root of 166132620 is about 549.7327847962.

The spelling of 166132620 in words is "one hundred sixty-six million, one hundred thirty-two thousand, six hundred twenty".