164474768 has 20 divisors (see below), whose sum is σ = 327283740. Its totient is φ = 80014464.

The previous prime is 164474753. The next prime is 164474797. The reversal of 164474768 is 867474461.

It can be written as a sum of positive squares in 2 ways, for example, as 158961664 + 5513104 = 12608^2 + 2348^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 138323 + ... + 139506.

It is an arithmetic number, because the mean of its divisors is an integer number (16364187).

Almost surely, 2^164474768 is an apocalyptic number.

It is an amenable number.

164474768 is a deficient number, since it is larger than the sum of its proper divisors (162808972).

164474768 is a wasteful number, since it uses less digits than its factorization.

164474768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277874 (or 277868 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 164474768 is about 12824.7716548873. The cubic root of 164474768 is about 547.8980576529.

The spelling of 164474768 in words is "one hundred sixty-four million, four hundred seventy-four thousand, seven hundred sixty-eight".