164946812 has 12 divisors (see below), whose sum is σ = 294103656. Its totient is φ = 80917200.

The previous prime is 164946799. The next prime is 164946853. The reversal of 164946812 is 218649461.

It is a self number, because there is not a number n which added to its sum of digits gives 164946812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388814 + ... + 389237.

It is an arithmetic number, because the mean of its divisors is an integer number (24508638).

Almost surely, 2^164946812 is an apocalyptic number.

It is an amenable number.

164946812 is a deficient number, since it is larger than the sum of its proper divisors (129156844).

164946812 is a wasteful number, since it uses less digits than its factorization.

164946812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778108 (or 778106 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 164946812 is about 12843.1620717018. The cubic root of 164946812 is about 548.4217143862.

The spelling of 164946812 in words is "one hundred sixty-four million, nine hundred forty-six thousand, eight hundred twelve".