164780332 has 12 divisors (see below), whose sum is σ = 288486520. Its totient is φ = 82355616.

The previous prime is 164780309. The next prime is 164780359. The reversal of 164780332 is 233087461.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4219 + ... + 18637.

Almost surely, 2^164780332 is an apocalyptic number.

It is an amenable number.

164780332 is a deficient number, since it is larger than the sum of its proper divisors (123706188).

164780332 is a wasteful number, since it uses less digits than its factorization.

164780332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17280 (or 17278 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 164780332 is about 12836.6791655786. The cubic root of 164780332 is about 548.2371458379.

The spelling of 164780332 in words is "one hundred sixty-four million, seven hundred eighty thousand, three hundred thirty-two".