163634441130 has 48 divisors (see below), whose sum is σ = 435826374984. Its totient is φ = 42571560960.

The previous prime is 163634441119. The next prime is 163634441147. The reversal of 163634441130 is 31144436361.

163634441130 is a `hidden beast` number, since 1 + 6 + 3 + 634 + 4 + 4 + 1 + 13 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 57408639201 + 106225801929 = 239601^2 + 325923^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22168999 + ... + 22176378.

Almost surely, 2^163634441130 is an apocalyptic number.

163634441130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163634441130 is an abundant number, since it is smaller than the sum of its proper divisors (272191933854).

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

163634441130 is a wasteful number, since it uses less digits than its factorization.

163634441130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44345431 (or 44345428 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 163634441130 its reverse (31144436361), we get a palindrome (194778877491).

The spelling of 163634441130 in words is "one hundred sixty-three billion, six hundred thirty-four million, four hundred forty-one thousand, one hundred thirty".