164107831 has 4 divisors (see below), whose sum is σ = 169401664. Its totient is φ = 158814000.

The previous prime is 164107777. The next prime is 164107837. The reversal of 164107831 is 138701461.

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 164107831 - 2⁹ = 164107319 is a prime.

It is a super-2 number, since 2×164107831² = 53862760391049122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 5293801 = 164107831 / (1 + 6 + 4 + 1 + 0 + 7 + 8 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164107793 and 164107802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164107837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646870 + ... + 2646931.

It is an arithmetic number, because the mean of its divisors is an integer number (42350416).

Almost surely, 2^164107831 is an apocalyptic number.

164107831 is a deficient number, since it is larger than the sum of its proper divisors (5293833).

164107831 is an equidigital number, since it uses as much as digits as its factorization.

164107831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293832.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 164107831 is about 12810.4578762822. The cubic root of 164107831 is about 547.4903076480.

The spelling of 164107831 in words is "one hundred sixty-four million, one hundred seven thousand, eight hundred thirty-one".