164249628 has 48 divisors (see below), whose sum is σ = 392784000. Its totient is φ = 53402688.

The previous prime is 164249627. The next prime is 164249633. The reversal of 164249628 is 826942461.

It is a self number, because there is not a number n which added to its sum of digits gives 164249628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164249627) 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, 97578 + ... + 99246.

It is an arithmetic number, because the mean of its divisors is an integer number (8183000).

Almost surely, 2^164249628 is an apocalyptic number.

It is an amenable number.

164249628 is an abundant number, since it is smaller than the sum of its proper divisors (228534372).

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

164249628 is a wasteful number, since it uses less digits than its factorization.

164249628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 164249628 is about 12815.9911048658. The cubic root of 164249628 is about 547.6479481742.

The spelling of 164249628 in words is "one hundred sixty-four million, two hundred forty-nine thousand, six hundred twenty-eight".