164160631 has 4 divisors (see below), whose sum is σ = 164256664. Its totient is φ = 164064600.

The previous prime is 164160629. The next prime is 164160641. The reversal of 164160631 is 136061461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164160631 - 2¹ = 164160629 is a prime.

It is a super-2 number, since 2×164160631² = 53897425540636322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164160631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164160611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45405 + ... + 48886.

It is an arithmetic number, because the mean of its divisors is an integer number (41064166).

Almost surely, 2^164160631 is an apocalyptic number.

164160631 is a deficient number, since it is larger than the sum of its proper divisors (96033).

164160631 is an equidigital number, since it uses as much as digits as its factorization.

164160631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96032.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 164160631 is about 12812.5185268159. The cubic root of 164160631 is about 547.5490178029.

The spelling of 164160631 in words is "one hundred sixty-four million, one hundred sixty thousand, six hundred thirty-one".