164046664 has 16 divisors (see below), whose sum is σ = 307735020. Its totient is φ = 81984000.

The previous prime is 164046611. The next prime is 164046667. The reversal of 164046664 is 466640461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158004900 + 6041764 = 12570^2 + 2458^2 .

It is a super-2 number, since 2×164046664² = 53822615939057792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164046667) by changing a digit.

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, 20592 + ... + 27424.

Almost surely, 2^164046664 is an apocalyptic number.

It is an amenable number.

164046664 is a deficient number, since it is larger than the sum of its proper divisors (143688356).

164046664 is a wasteful number, since it uses less digits than its factorization.

164046664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840 (or 9836 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 164046664 is about 12808.0702683894. The cubic root of 164046664 is about 547.4222781884.

The spelling of 164046664 in words is "one hundred sixty-four million, forty-six thousand, six hundred sixty-four".