164945464 has 32 divisors (see below), whose sum is σ = 315939600. Its totient is φ = 80709120.

The previous prime is 164945453. The next prime is 164945483. The reversal of 164945464 is 464549461.

It is a self number, because there is not a number n which added to its sum of digits gives 164945464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110032 + ... + 111520.

Almost surely, 2^164945464 is an apocalyptic number.

It is an amenable number.

164945464 is a deficient number, since it is larger than the sum of its proper divisors (150994136).

164945464 is a wasteful number, since it uses less digits than its factorization.

164945464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783 (or 1779 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 164945464 is about 12843.1095923067. The cubic root of 164945464 is about 548.4202204208.

The spelling of 164945464 in words is "one hundred sixty-four million, nine hundred forty-five thousand, four hundred sixty-four".