164066709604 has 36 divisors (see below), whose sum is σ = 334034834364. Its totient is φ = 70305485376.

The previous prime is 164066709581. The next prime is 164066709613. The reversal of 164066709604 is 406907660461.

It can be written as a sum of positive squares in 2 ways, for example, as 39005460004 + 125061249600 = 197498^2 + 353640^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1655682 + ... + 1751974.

It is an arithmetic number, because the mean of its divisors is an integer number (9278745399).

Almost surely, 2^164066709604 is an apocalyptic number.

164066709604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164066709604 is an abundant number, since it is smaller than the sum of its proper divisors (169968124760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164066709604 is a wasteful number, since it uses less digits than its factorization.

164066709604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105004 (or 104995 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 164066709604 in words is "one hundred sixty-four billion, sixty-six million, seven hundred nine thousand, six hundred four".