163405331152 has 20 divisors (see below), whose sum is σ = 361826090656. Its totient is φ = 70030856160.

The previous prime is 163405331147. The next prime is 163405331261. The reversal of 163405331152 is 251133504361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729487974 + ... + 729488197.

Almost surely, 2^163405331152 is an apocalyptic number.

It is an amenable number.

163405331152 is an abundant number, since it is smaller than the sum of its proper divisors (198420759504).

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

163405331152 is a wasteful number, since it uses less digits than its factorization.

163405331152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458976186 (or 1458976180 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 163405331152 in words is "one hundred sixty-three billion, four hundred five million, three hundred thirty-one thousand, one hundred fifty-two".