166510152 has 24 divisors (see below), whose sum is σ = 450965190. Its totient is φ = 55503360.

The previous prime is 166510151. The next prime is 166510177. The reversal of 166510152 is 251015661.

It is a happy number.

166510152 is a `hidden beast` number, since 1 + 6 + 651 + 0 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107619876 + 58890276 = 10374^2 + 7674^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (166510151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1156249 + ... + 1156392.

Almost surely, 2^166510152 is an apocalyptic number.

166510152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166510152 is an abundant number, since it is smaller than the sum of its proper divisors (284455038).

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

166510152 is a wasteful number, since it uses less digits than its factorization.

166510152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312653 (or 2312646 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 166510152 is about 12903.8812765772. The cubic root of 166510152 is about 550.1488875155.

The spelling of 166510152 in words is "one hundred sixty-six million, five hundred ten thousand, one hundred fifty-two".