164504061 has 16 divisors (see below), whose sum is σ = 244289920. Its totient is φ = 109408320.

The previous prime is 164504059. The next prime is 164504069. The reversal of 164504061 is 160405461.

It is not a de Polignac number, because 164504061 - 2¹ = 164504059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164504069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4656 + ... + 18726.

It is an arithmetic number, because the mean of its divisors is an integer number (15268120).

Almost surely, 2^164504061 is an apocalyptic number.

It is an amenable number.

164504061 is a deficient number, since it is larger than the sum of its proper divisors (79785859).

164504061 is a wasteful number, since it uses less digits than its factorization.

164504061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14513 (or 14507 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 164504061 is about 12825.9136516663. The cubic root of 164504061 is about 547.9305826521.

The spelling of 164504061 in words is "one hundred sixty-four million, five hundred four thousand, sixty-one".