166551852 has 12 divisors (see below), whose sum is σ = 388621016. Its totient is φ = 55517280.

The previous prime is 166551823. The next prime is 166551863. The reversal of 166551852 is 258155661.

166551852 is digitally balanced in base 2, 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 (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 166551852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6939649 + ... + 6939672.

Almost surely, 2^166551852 is an apocalyptic number.

166551852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166551852 is an abundant number, since it is smaller than the sum of its proper divisors (222069164).

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

166551852 is a wasteful number, since it uses less digits than its factorization.

166551852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13879328 (or 13879326 counting only the distinct ones).

The product of its digits is 72000, while the sum is 39.

The square root of 166551852 is about 12905.4969683465. The cubic root of 166551852 is about 550.1948092276.

The spelling of 166551852 in words is "one hundred sixty-six million, five hundred fifty-one thousand, eight hundred fifty-two".