164638282 has 16 divisors (see below), whose sum is σ = 250152552. Its totient is φ = 81259200.

The previous prime is 164638277. The next prime is 164638283. The reversal of 164638282 is 282836461.

It can be written as a sum of positive squares in 4 ways, for example, as 164634561 + 3721 = 12831^2 + 61^2 .

It is not an unprimeable number, because it can be changed into a prime (164638283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79168 + ... + 81220.

Almost surely, 2^164638282 is an apocalyptic number.

164638282 is a deficient number, since it is larger than the sum of its proper divisors (85514270).

164638282 is a wasteful number, since it uses less digits than its factorization.

164638282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553.

The product of its digits is 110592, while the sum is 40.

The square root of 164638282 is about 12831.1449995704. The cubic root of 164638282 is about 548.0795633674.

The spelling of 164638282 in words is "one hundred sixty-four million, six hundred thirty-eight thousand, two hundred eighty-two".