163634215150 has 48 divisors (see below), whose sum is σ = 349026973344. Its totient is φ = 55911646080.

The previous prime is 163634215127. The next prime is 163634215169. The reversal of 163634215150 is 51512436361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695277 + ... + 900376.

It is an arithmetic number, because the mean of its divisors is an integer number (7271395278).

Almost surely, 2^163634215150 is an apocalyptic number.

163634215150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163634215150 is an abundant number, since it is smaller than the sum of its proper divisors (185392758194).

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

163634215150 is a wasteful number, since it uses less digits than its factorization.

163634215150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595965 (or 1595960 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 163634215150 in words is "one hundred sixty-three billion, six hundred thirty-four million, two hundred fifteen thousand, one hundred fifty".