164569454800 has 30 divisors (see below), whose sum is σ = 395378116118. Its totient is φ = 65827781760.

The previous prime is 164569454741. The next prime is 164569454827. The reversal of 164569454800 is 8454965461.

It can be written as a sum of positive squares in 3 ways, for example, as 13413345856 + 151156108944 = 115816^2 + 388788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205711419 + ... + 205712218.

Almost surely, 2^164569454800 is an apocalyptic number.

164569454800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164569454800 is an abundant number, since it is smaller than the sum of its proper divisors (230808661318).

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

164569454800 is a wasteful number, since it uses less digits than its factorization.

164569454800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411423655 (or 411423644 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

It can be divided in two parts, 164569 and 454800, that added together give a square (619369 = 787²).

The spelling of 164569454800 in words is "one hundred sixty-four billion, five hundred sixty-nine million, four hundred fifty-four thousand, eight hundred".