166136080 has 40 divisors (see below), whose sum is σ = 421383744. Its totient is φ = 60412800.

The previous prime is 166136077. The next prime is 166136083. The reversal of 166136080 is 80631661.

It is an interprime number because it is at equal distance from previous prime (166136077) and next prime (166136083).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (166136083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93516 + ... + 95275.

Almost surely, 2^166136080 is an apocalyptic number.

166136080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166136080 is an abundant number, since it is smaller than the sum of its proper divisors (255247664).

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

166136080 is a wasteful number, since it uses less digits than its factorization.

166136080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188815 (or 188809 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 166136080 is about 12889.3785730733. The cubic root of 166136080 is about 549.7366011493.

The spelling of 166136080 in words is "one hundred sixty-six million, one hundred thirty-six thousand, eighty".