163790377625 has 32 divisors (see below), whose sum is σ = 233923881984. Its totient is φ = 112163400000.

The previous prime is 163790377613. The next prime is 163790377627. The reversal of 163790377625 is 526773097361.

It is not a de Polignac number, because 163790377625 - 2⁶ = 163790377561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163790377627) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 532499 + ... + 781751.

It is an arithmetic number, because the mean of its divisors is an integer number (7310121312).

Almost surely, 2^163790377625 is an apocalyptic number.

It is an amenable number.

163790377625 is a deficient number, since it is larger than the sum of its proper divisors (70133504359).

163790377625 is an equidigital number, since it uses as much as digits as its factorization.

163790377625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250026 (or 250016 counting only the distinct ones).

The product of its (nonzero) digits is 10001880, while the sum is 56.

The spelling of 163790377625 in words is "one hundred sixty-three billion, seven hundred ninety million, three hundred seventy-seven thousand, six hundred twenty-five".