166414158 has 48 divisors (see below), whose sum is σ = 369869760. Its totient is φ = 54058752.

The previous prime is 166414153. The next prime is 166414159. The reversal of 166414158 is 851414661.

166414158 is a `hidden beast` number, since 1 + 6 + 641 + 4 + 1 + 5 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166414153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116235 + ... + 117657.

It is an arithmetic number, because the mean of its divisors is an integer number (7705620).

Almost surely, 2^166414158 is an apocalyptic number.

166414158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

166414158 is an abundant number, since it is smaller than the sum of its proper divisors (203455602).

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

166414158 is a wasteful number, since it uses less digits than its factorization.

166414158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1590 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 166414158 is about 12900.1611617840. The cubic root of 166414158 is about 550.0431459265.

The spelling of 166414158 in words is "one hundred sixty-six million, four hundred fourteen thousand, one hundred fifty-eight".