163555056424 has 32 divisors (see below), whose sum is σ = 329278219200. Its totient is φ = 75883037440.

The previous prime is 163555056389. The next prime is 163555056437. The reversal of 163555056424 is 424650555361.

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, 8459434 + ... + 8478745.

It is an arithmetic number, because the mean of its divisors is an integer number (10289944350).

Almost surely, 2^163555056424 is an apocalyptic number.

It is an amenable number.

163555056424 is an abundant number, since it is smaller than the sum of its proper divisors (165723162776).

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

163555056424 is a wasteful number, since it uses less digits than its factorization.

163555056424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16938273 (or 16938269 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 163555056424 in words is "one hundred sixty-three billion, five hundred fifty-five million, fifty-six thousand, four hundred twenty-four".