163412611640 has 32 divisors (see below), whose sum is σ = 371809602000. Its totient is φ = 64630604544.

The previous prime is 163412611633. The next prime is 163412611669. The reversal of 163412611640 is 46116214361.

It is a self number, because there is not a number n which added to its sum of digits gives 163412611640.

It is a congruent number.

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, 22947650 + ... + 22954769.

Almost surely, 2^163412611640 is an apocalyptic number.

163412611640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163412611640 is an abundant number, since it is smaller than the sum of its proper divisors (208396990360).

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

163412611640 is a wasteful number, since it uses less digits than its factorization.

163412611640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45902519 (or 45902515 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 163412611640 in words is "one hundred sixty-three billion, four hundred twelve million, six hundred eleven thousand, six hundred forty".