164246636 has 12 divisors (see below), whose sum is σ = 288722112. Its totient is φ = 81754608.

The previous prime is 164246617. The next prime is 164246651. The reversal of 164246636 is 636642461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164246636.

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, 91175 + ... + 92958.

It is an arithmetic number, because the mean of its divisors is an integer number (24060176).

Almost surely, 2^164246636 is an apocalyptic number.

It is an amenable number.

164246636 is a deficient number, since it is larger than the sum of its proper divisors (124475476).

164246636 is a wasteful number, since it uses less digits than its factorization.

164246636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184360 (or 184358 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 164246636 is about 12815.8743751646. The cubic root of 164246636 is about 547.6446228036.

The spelling of 164246636 in words is "one hundred sixty-four million, two hundred forty-six thousand, six hundred thirty-six".