166396760 has 32 divisors (see below), whose sum is σ = 374760000. Its totient is φ = 66493440.

The previous prime is 166396729. The next prime is 166396771. The reversal of 166396760 is 67693661.

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, 78920 + ... + 81000.

It is an arithmetic number, because the mean of its divisors is an integer number (11711250).

Almost surely, 2^166396760 is an apocalyptic number.

166396760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166396760 is an abundant number, since it is smaller than the sum of its proper divisors (208363240).

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

166396760 is a wasteful number, since it uses less digits than its factorization.

166396760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091 (or 4087 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 166396760 is about 12899.4868114976. The cubic root of 166396760 is about 550.0239769162.

The spelling of 166396760 in words is "one hundred sixty-six million, three hundred ninety-six thousand, seven hundred sixty".