166653882 has 16 divisors (see below), whose sum is σ = 370342080. Its totient is φ = 55551276.

The previous prime is 166653881. The next prime is 166653887. The reversal of 166653882 is 288356661.

It is not an unprimeable number, because it can be changed into a prime (166653881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543038 + ... + 1543145.

It is an arithmetic number, because the mean of its divisors is an integer number (23146380).

Almost surely, 2^166653882 is an apocalyptic number.

166653882 is an abundant number, since it is smaller than the sum of its proper divisors (203688198).

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

166653882 is a wasteful number, since it uses less digits than its factorization.

166653882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086194 (or 3086188 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 166653882 is about 12909.4493298514. The cubic root of 166653882 is about 550.3071364429.

The spelling of 166653882 in words is "one hundred sixty-six million, six hundred fifty-three thousand, eight hundred eighty-two".