163615165264144 has 30 divisors (see below), whose sum is σ = 348442833880190. Its totient is φ = 74370529664640.

The previous prime is 163615165264013. The next prime is 163615165264151. The reversal of 163615165264144 is 441462561516361.

It can be written as a sum of positive squares in only one way, i.e., 158628483248400 + 4986682015744 = 12594780^2 + 2233088^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42255980829 + ... + 42255984700.

Almost surely, 2^{163615165264144} is an apocalyptic number.

It is an amenable number.

163615165264144 is an abundant number, since it is smaller than the sum of its proper divisors (184827668616046).

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

163615165264144 is a wasteful number, since it uses less digits than its factorization.

163615165264144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84511965559 (or 84511965542 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The spelling of 163615165264144 in words is "one hundred sixty-three trillion, six hundred fifteen billion, one hundred sixty-five million, two hundred sixty-four thousand, one hundred forty-four".