164487804 has 48 divisors (see below), whose sum is σ = 414304800. Its totient is φ = 50492160.

The previous prime is 164487803. The next prime is 164487809. The reversal of 164487804 is 408784461.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164487803) 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, 83422 + ... + 85370.

It is an arithmetic number, because the mean of its divisors is an integer number (8631350).

Almost surely, 2^164487804 is an apocalyptic number.

It is an amenable number.

164487804 is an abundant number, since it is smaller than the sum of its proper divisors (249816996).

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

164487804 is a wasteful number, since it uses less digits than its factorization.

164487804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 164487804 is about 12825.2798799870. The cubic root of 164487804 is about 547.9125324373.

The spelling of 164487804 in words is "one hundred sixty-four million, four hundred eighty-seven thousand, eight hundred four".