166157352 has 32 divisors (see below), whose sum is σ = 461548800. Its totient is φ = 55385712.

The previous prime is 166157317. The next prime is 166157357. The reversal of 166157352 is 253751661.

166157352 is a `hidden beast` number, since 1 + 6 + 615 + 7 + 35 + 2 = 666.

166157352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (166157357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384408 + ... + 384839.

It is an arithmetic number, because the mean of its divisors is an integer number (14423400).

Almost surely, 2^166157352 is an apocalyptic number.

166157352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166157352 is an abundant number, since it is smaller than the sum of its proper divisors (295391448).

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

166157352 is a wasteful number, since it uses less digits than its factorization.

166157352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769262 (or 769252 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 166157352 is about 12890.2037222070. The cubic root of 166157352 is about 549.7600628359.

The spelling of 166157352 in words is "one hundred sixty-six million, one hundred fifty-seven thousand, three hundred fifty-two".