163640655600140 has 48 divisors (see below), whose sum is σ = 343808389179360. Its totient is φ = 65425216865280.

The previous prime is 163640655600137. The next prime is 163640655600151. The reversal of 163640655600140 is 41006556046361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596958710 + ... + 597232770.

It is an arithmetic number, because the mean of its divisors is an integer number (7162674774570).

Almost surely, 2^{163640655600140} is an apocalyptic number.

163640655600140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163640655600140 is an abundant number, since it is smaller than the sum of its proper divisors (180167733579220).

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

163640655600140 is a wasteful number, since it uses less digits than its factorization.

163640655600140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288122 (or 288120 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 163640655600140 in words is "one hundred sixty-three trillion, six hundred forty billion, six hundred fifty-five million, six hundred thousand, one hundred forty".