164534004 has 30 divisors (see below), whose sum is σ = 430125234. Its totient is φ = 54844560.

The previous prime is 164534003. The next prime is 164534009. The reversal of 164534004 is 400435461.

It can be written as a sum of positive squares in only one way, i.e., 163328400 + 1205604 = 12780^2 + 1098^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164534003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 253587 + ... + 254234.

Almost surely, 2^164534004 is an apocalyptic number.

It is an amenable number.

164534004 is an abundant number, since it is smaller than the sum of its proper divisors (265591230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164534004 is a wasteful number, since it uses less digits than its factorization.

164534004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507837 (or 507826 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 164534004 is about 12827.0808838176. The cubic root of 164534004 is about 547.9638253777.

Adding to 164534004 its reverse (400435461), we get a palindrome (564969465).

The spelling of 164534004 in words is "one hundred sixty-four million, five hundred thirty-four thousand, four".