166705162 has 32 divisors (see below), whose sum is σ = 287319312. Its totient is φ = 71860224.

The previous prime is 166705141. The next prime is 166705177. The reversal of 166705162 is 261507661.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 124077321 + 42627841 = 11139^2 + 6529^2 .

It is a super-2 number, since 2×166705162² = 55581222074892488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59178 + ... + 61930.

Almost surely, 2^166705162 is an apocalyptic number.

166705162 is a deficient number, since it is larger than the sum of its proper divisors (120614150).

166705162 is a wasteful number, since it uses less digits than its factorization.

166705162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 166705162 is about 12911.4353191270. The cubic root of 166705162 is about 550.3635744842.

The spelling of 166705162 in words is "one hundred sixty-six million, seven hundred five thousand, one hundred sixty-two".