163636377198144 has 56 divisors (see below), whose sum is σ = 439416590047968. Its totient is φ = 53731347732480.

The previous prime is 163636377198131. The next prime is 163636377198163. The reversal of 163636377198144 is 441891773636361.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6360231897 + ... + 6360257624.

Almost surely, 2^{163636377198144} is an apocalyptic number.

It is an amenable number.

163636377198144 is an abundant number, since it is smaller than the sum of its proper divisors (275780212849824).

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

163636377198144 is a wasteful number, since it uses less digits than its factorization.

163636377198144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720489603 (or 12720489593 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 69.

The spelling of 163636377198144 in words is "one hundred sixty-three trillion, six hundred thirty-six billion, three hundred seventy-seven million, one hundred ninety-eight thousand, one hundred forty-four".