164520927 has 12 divisors (see below), whose sum is σ = 237792360. Its totient is φ = 109610928.

The previous prime is 164520901. The next prime is 164520947. The reversal of 164520927 is 729025461.

164520927 is a `hidden beast` number, since 1 + 645 + 2 + 0 + 9 + 2 + 7 = 666.

It is not a de Polignac number, because 164520927 - 2¹⁰ = 164519903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164520891 and 164520900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164520947) 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, 12024 + ... + 21762.

It is an arithmetic number, because the mean of its divisors is an integer number (19816030).

Almost surely, 2^164520927 is an apocalyptic number.

164520927 is a deficient number, since it is larger than the sum of its proper divisors (73271433).

164520927 is a wasteful number, since it uses less digits than its factorization.

164520927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11622 (or 11619 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 164520927 is about 12826.5711318341. The cubic root of 164520927 is about 547.9493077854.

The spelling of 164520927 in words is "one hundred sixty-four million, five hundred twenty thousand, nine hundred twenty-seven".