164253725000 has 48 divisors (see below), whose sum is σ = 384945088500. Its totient is φ = 65701480000.

The previous prime is 164253724909. The next prime is 164253725017. The reversal of 164253725000 is 527352461.

It can be written as a sum of positive squares in 6 ways, for example, as 39767538724 + 124486186276 = 199418^2 + 352826^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3260075 + ... + 3310074.

Almost surely, 2^164253725000 is an apocalyptic number.

164253725000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164253725000 is an abundant number, since it is smaller than the sum of its proper divisors (220691363500).

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

164253725000 is an frugal number, since it uses more digits than its factorization.

164253725000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570180 (or 6570156 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 164253725000 in words is "one hundred sixty-four billion, two hundred fifty-three million, seven hundred twenty-five thousand".