166677140 has 48 divisors (see below), whose sum is σ = 400982400. Its totient is φ = 57009792.

The previous prime is 166677127. The next prime is 166677157. The reversal of 166677140 is 41776661.

166677140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166677094 and 166677103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70091 + ... + 72429.

It is an arithmetic number, because the mean of its divisors is an integer number (8353800).

Almost surely, 2^166677140 is an apocalyptic number.

166677140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166677140 is an abundant number, since it is smaller than the sum of its proper divisors (234305260).

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

166677140 is a wasteful number, since it uses less digits than its factorization.

166677140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 166677140 is about 12910.3501114416. The cubic root of 166677140 is about 550.3327353026.

The spelling of 166677140 in words is "one hundred sixty-six million, six hundred seventy-seven thousand, one hundred forty".