164455312 has 40 divisors (see below), whose sum is σ = 369297792. Its totient is φ = 69484800.

The previous prime is 164455309. The next prime is 164455321. The reversal of 164455312 is 213554461.

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 7 ways as a sum of consecutive naturals, for example, 2389 + ... + 18292.

Almost surely, 2^164455312 is an apocalyptic number.

It is an amenable number.

164455312 is an abundant number, since it is smaller than the sum of its proper divisors (204842480).

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

164455312 is a wasteful number, since it uses less digits than its factorization.

164455312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20767 (or 20761 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 164455312 is about 12824.0131004300. The cubic root of 164455312 is about 547.8764528700.

The spelling of 164455312 in words is "one hundred sixty-four million, four hundred fifty-five thousand, three hundred twelve".