163513561230 has 48 divisors (see below), whose sum is σ = 425720209824. Its totient is φ = 43543621440.

The previous prime is 163513561219. The next prime is 163513561231. The reversal of 163513561230 is 32165315361.

163513561230 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 1 + 3 + 5 + 612 + 30 = 666.

It is a super-2 number, since 2×163513561230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163513561231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1184101 + ... + 1314960.

It is an arithmetic number, because the mean of its divisors is an integer number (8869171038).

Almost surely, 2^163513561230 is an apocalyptic number.

163513561230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163513561230 is an abundant number, since it is smaller than the sum of its proper divisors (262206648594).

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

163513561230 is a wasteful number, since it uses less digits than its factorization.

163513561230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499801 (or 2499798 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 163513561230 its reverse (32165315361), we get a palindrome (195678876591).

The spelling of 163513561230 in words is "one hundred sixty-three billion, five hundred thirteen million, five hundred sixty-one thousand, two hundred thirty".