166162810 has 32 divisors (see below), whose sum is σ = 340474752. Its totient is φ = 57794880.

The previous prime is 166162807. The next prime is 166162859. The reversal of 166162810 is 18261661.

It is a super-2 number, since 2×166162810² = 55220158854192200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30309 + ... + 35368.

It is an arithmetic number, because the mean of its divisors is an integer number (10639836).

Almost surely, 2^166162810 is an apocalyptic number.

166162810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166162810 is an abundant number, since it is smaller than the sum of its proper divisors (174311942).

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

166162810 is a wasteful number, since it uses less digits than its factorization.

166162810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65718.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 166162810 is about 12890.4154316298. The cubic root of 166162810 is about 549.7660823460.

The spelling of 166162810 in words is "one hundred sixty-six million, one hundred sixty-two thousand, eight hundred ten".