163790564130 has 40 divisors (see below), whose sum is σ = 440414630172. Its totient is φ = 43677483552.

The previous prime is 163790564101. The next prime is 163790564137. The reversal of 163790564130 is 31465097361.

It is a happy number.

163790564130 is a `hidden beast` number, since 1 + 6 + 3 + 79 + 0 + 564 + 13 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 149052361329 + 14738202801 = 386073^2 + 121401^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (163790564137) 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 19 ways as a sum of consecutive naturals, for example, 101104477 + ... + 101106096.

Almost surely, 2^163790564130 is an apocalyptic number.

163790564130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163790564130 is an abundant number, since it is smaller than the sum of its proper divisors (276624066042).

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

163790564130 is a wasteful number, since it uses less digits than its factorization.

163790564130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202210592 (or 202210583 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 163790564130 in words is "one hundred sixty-three billion, seven hundred ninety million, five hundred sixty-four thousand, one hundred thirty".