166083552 has 72 divisors (see below), whose sum is σ = 492854544. Its totient is φ = 52952064.

The previous prime is 166083527. The next prime is 166083563. The reversal of 166083552 is 255380661.

166083552 is a `hidden beast` number, since 16 + 608 + 35 + 5 + 2 = 666.

166083552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5913 + ... + 19160.

It is an arithmetic number, because the mean of its divisors is an integer number (6845202).

Almost surely, 2^166083552 is an apocalyptic number.

166083552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166083552 is an abundant number, since it is smaller than the sum of its proper divisors (326770992).

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

166083552 is a wasteful number, since it uses less digits than its factorization.

166083552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25112 (or 25101 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 166083552 is about 12887.3407652626. The cubic root of 166083552 is about 549.6786574683.

The spelling of 166083552 in words is "one hundred sixty-six million, eighty-three thousand, five hundred fifty-two".