166198124 has 12 divisors (see below), whose sum is σ = 292118400. Its totient is φ = 82735728.

The previous prime is 166198093. The next prime is 166198127. The reversal of 166198124 is 421891661.

It is a super-2 number, since 2×166198124² = 55243632842238752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166198127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89804 + ... + 91635.

It is an arithmetic number, because the mean of its divisors is an integer number (24343200).

Almost surely, 2^166198124 is an apocalyptic number.

It is an amenable number.

166198124 is a deficient number, since it is larger than the sum of its proper divisors (125920276).

166198124 is a wasteful number, since it uses less digits than its factorization.

166198124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181672 (or 181670 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 166198124 is about 12891.7851362796. The cubic root of 166198124 is about 549.8050262072.

The spelling of 166198124 in words is "one hundred sixty-six million, one hundred ninety-eight thousand, one hundred twenty-four".