163450402250 has 64 divisors (see below), whose sum is σ = 322408944000. Its totient is φ = 61876483200.

The previous prime is 163450402187. The next prime is 163450402289. The reversal of 163450402250 is 52204054361.

163450402250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 4823366 + ... + 4857134.

It is an arithmetic number, because the mean of its divisors is an integer number (5037639750).

Almost surely, 2^163450402250 is an apocalyptic number.

163450402250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163450402250 is a deficient number, since it is larger than the sum of its proper divisors (158958541750).

163450402250 is a wasteful number, since it uses less digits than its factorization.

163450402250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34824 (or 34814 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 163450402250 in words is "one hundred sixty-three billion, four hundred fifty million, four hundred two thousand, two hundred fifty".