164062161 has 6 divisors (see below), whose sum is σ = 236978690. Its totient is φ = 109374768.

The previous prime is 164062153. The next prime is 164062177. The reversal of 164062161 is 161260461.

164062161 is a `hidden beast` number, since 1 + 640 + 6 + 2 + 16 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 155151936 + 8910225 = 12456^2 + 2985^2 .

It is not a de Polignac number, because 164062161 - 2³ = 164062153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164062111) 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, 9114556 + ... + 9114573.

Almost surely, 2^164062161 is an apocalyptic number.

It is an amenable number.

164062161 is a deficient number, since it is larger than the sum of its proper divisors (72916529).

164062161 is a wasteful number, since it uses less digits than its factorization.

164062161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18229135 (or 18229132 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 164062161 is about 12808.6752242377. The cubic root of 164062161 is about 547.4395154300.

The spelling of 164062161 in words is "one hundred sixty-four million, sixty-two thousand, one hundred sixty-one".