163512943536 has 40 divisors (see below), whose sum is σ = 423238379760. Its totient is φ = 54397225216.

The previous prime is 163512943523. The next prime is 163512943537. The reversal of 163512943536 is 635349215361.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (163512943537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3321855 + ... + 3370718.

It is an arithmetic number, because the mean of its divisors is an integer number (10580959494).

Almost surely, 2^163512943536 is an apocalyptic number.

163512943536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163512943536 is an abundant number, since it is smaller than the sum of its proper divisors (259725436224).

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

163512943536 is a wasteful number, since it uses less digits than its factorization.

163512943536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693093 (or 6693087 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 48.

The spelling of 163512943536 in words is "one hundred sixty-three billion, five hundred twelve million, nine hundred forty-three thousand, five hundred thirty-six".