164747284 has 18 divisors (see below), whose sum is σ = 312192510. Its totient is φ = 76036896.

The previous prime is 164747279. The next prime is 164747327. The reversal of 164747284 is 482747461.

It can be written as a sum of positive squares in 3 ways, for example, as 138384 + 164608900 = 372^2 + 12830^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164747284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121179 + ... + 122530.

Almost surely, 2^164747284 is an apocalyptic number.

It is an amenable number.

164747284 is a deficient number, since it is larger than the sum of its proper divisors (147445226).

164747284 is a wasteful number, since it uses less digits than its factorization.

164747284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243739 (or 243724 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 164747284 is about 12835.3918522186. The cubic root of 164747284 is about 548.2004922876.

The spelling of 164747284 in words is "one hundred sixty-four million, seven hundred forty-seven thousand, two hundred eighty-four".