166553200 has 60 divisors (see below), whose sum is σ = 436532328. Its totient is φ = 60563200.

The previous prime is 166553197. The next prime is 166553207. The reversal of 166553200 is 2355661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166553207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14527 + ... + 23326.

Almost surely, 2^166553200 is an apocalyptic number.

166553200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166553200 is an abundant number, since it is smaller than the sum of its proper divisors (269979128).

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

166553200 is a wasteful number, since it uses less digits than its factorization.

166553200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37882 (or 37871 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 166553200 is about 12905.5491940483. The cubic root of 166553200 is about 550.1962935714.

It can be divided in two parts, 166553 and 200, that added together give a triangular number (166753 = T₅₇₇).

The spelling of 166553200 in words is "one hundred sixty-six million, five hundred fifty-three thousand, two hundred".