166871092 has 6 divisors (see below), whose sum is σ = 292024418. Its totient is φ = 83435544.

The previous prime is 166871063. The next prime is 166871119. The reversal of 166871092 is 290178661.

It can be written as a sum of positive squares in only one way, i.e., 121793296 + 45077796 = 11036^2 + 6714^2 .

It is a super-2 number, since 2×166871092² = 55691922690544928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20858883 + ... + 20858890.

Almost surely, 2^166871092 is an apocalyptic number.

It is an amenable number.

166871092 is a deficient number, since it is larger than the sum of its proper divisors (125153326).

166871092 is a wasteful number, since it uses less digits than its factorization.

166871092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41717777 (or 41717775 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 166871092 is about 12917.8594201981. The cubic root of 166871092 is about 550.5461154135.

The spelling of 166871092 in words is "one hundred sixty-six million, eight hundred seventy-one thousand, ninety-two".