163874166 has 16 divisors (see below), whose sum is σ = 328665600. Its totient is φ = 54471848.

The previous prime is 163874159. The next prime is 163874173. The reversal of 163874166 is 661478361.

It is an interprime number because it is at equal distance from previous prime (163874159) and next prime (163874173).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35886 + ... + 40193.

It is an arithmetic number, because the mean of its divisors is an integer number (20541600).

Almost surely, 2^163874166 is an apocalyptic number.

163874166 is an abundant number, since it is smaller than the sum of its proper divisors (164791434).

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

163874166 is a wasteful number, since it uses less digits than its factorization.

163874166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76443.

The product of its digits is 145152, while the sum is 42.

The square root of 163874166 is about 12801.3345398048. The cubic root of 163874166 is about 547.2303361251.

The spelling of 163874166 in words is "one hundred sixty-three million, eight hundred seventy-four thousand, one hundred sixty-six".