163072806400 has 120 divisors (see below), whose sum is σ = 461743817040. Its totient is φ = 55910645760.

The previous prime is 163072806397. The next prime is 163072806431. The reversal of 163072806400 is 4608270361.

163072806400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163072806400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820405 + ... + 999604.

It is an arithmetic number, because the mean of its divisors is an integer number (3847865142).

Almost surely, 2^163072806400 is an apocalyptic number.

163072806400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163072806400 is an abundant number, since it is smaller than the sum of its proper divisors (298671010640).

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

163072806400 is an equidigital number, since it uses as much as digits as its factorization.

163072806400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820044 (or 1820023 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 163072806400 in words is "one hundred sixty-three billion, seventy-two million, eight hundred six thousand, four hundred".