164593031 has 8 divisors (see below), whose sum is σ = 174387024. Its totient is φ = 154811520.

The previous prime is 164593019. The next prime is 164593049. The reversal of 164593031 is 130395461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164593031 - 2¹⁰ = 164592007 is a prime.

It is a super-2 number, since 2×164593031² = 54181731707533922, 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 (164593001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50456 + ... + 53618.

It is an arithmetic number, because the mean of its divisors is an integer number (21798378).

Almost surely, 2^164593031 is an apocalyptic number.

164593031 is a deficient number, since it is larger than the sum of its proper divisors (9793993).

164593031 is a wasteful number, since it uses less digits than its factorization.

164593031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 164593031 is about 12829.3815517351. The cubic root of 164593031 is about 548.0293453570.

The spelling of 164593031 in words is "one hundred sixty-four million, five hundred ninety-three thousand, thirty-one".