166155852 has 12 divisors (see below), whose sum is σ = 387697016. Its totient is φ = 55385280.

The previous prime is 166155851. The next prime is 166155853. The reversal of 166155852 is 258551661.

It is an interprime number because it is at equal distance from previous prime (166155851) and next prime (166155853).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 166155852.

It is not an unprimeable number, because it can be changed into a prime (166155851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6923149 + ... + 6923172.

Almost surely, 2^166155852 is an apocalyptic number.

166155852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166155852 is an abundant number, since it is smaller than the sum of its proper divisors (221541164).

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

166155852 is a wasteful number, since it uses less digits than its factorization.

166155852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846328 (or 13846326 counting only the distinct ones).

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

The square root of 166155852 is about 12890.1455383560. The cubic root of 166155852 is about 549.7584084953.

The spelling of 166155852 in words is "one hundred sixty-six million, one hundred fifty-five thousand, eight hundred fifty-two".