164850831 has 12 divisors (see below), whose sum is σ = 238274608. Its totient is φ = 109828224.

The previous prime is 164850823. The next prime is 164850871. The reversal of 164850831 is 138058461.

164850831 is a `hidden beast` number, since 1 + 648 + 5 + 0 + 8 + 3 + 1 = 666.

It is not a de Polignac number, because 164850831 - 2³ = 164850823 is a prime.

It is a super-2 number, since 2×164850831² = 54351592962781122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164850871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10911 + ... + 21183.

Almost surely, 2^164850831 is an apocalyptic number.

164850831 is a deficient number, since it is larger than the sum of its proper divisors (73423777).

164850831 is a wasteful number, since it uses less digits than its factorization.

164850831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12062 (or 12059 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 164850831 is about 12839.4248702970. The cubic root of 164850831 is about 548.3153199327.

The spelling of 164850831 in words is "one hundred sixty-four million, eight hundred fifty thousand, eight hundred thirty-one".