164537330 has 16 divisors (see below), whose sum is σ = 296314200. Its totient is φ = 65782272.

The previous prime is 164537309. The next prime is 164537357. The reversal of 164537330 is 33735461.

It can be written as a sum of positive squares in 4 ways, for example, as 96491329 + 68046001 = 9823^2 + 8249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33896 + ... + 38444.

Almost surely, 2^164537330 is an apocalyptic number.

164537330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164537330 is a deficient number, since it is larger than the sum of its proper divisors (131776870).

164537330 is a wasteful number, since it uses less digits than its factorization.

164537330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 164537330 is about 12827.2105307428. The cubic root of 164537330 is about 547.9675176548.

The spelling of 164537330 in words is "one hundred sixty-four million, five hundred thirty-seven thousand, three hundred thirty".