166936020 has 48 divisors (see below), whose sum is σ = 469203840. Its totient is φ = 44346496.

The previous prime is 166936013. The next prime is 166936067. The reversal of 166936020 is 20639661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10969 + ... + 21311.

It is an arithmetic number, because the mean of its divisors is an integer number (9775080).

Almost surely, 2^166936020 is an apocalyptic number.

166936020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166936020 is an abundant number, since it is smaller than the sum of its proper divisors (302267820).

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

166936020 is a wasteful number, since it uses less digits than its factorization.

166936020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624 (or 10622 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 166936020 is about 12920.3722856580. The cubic root of 166936020 is about 550.6175102901.

The spelling of 166936020 in words is "one hundred sixty-six million, nine hundred thirty-six thousand, twenty".