163158332880 has 160 divisors (see below), whose sum is σ = 530437478400. Its totient is φ = 41407787520.

The previous prime is 163158332879. The next prime is 163158332917. The reversal of 163158332880 is 88233851361.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024215 + ... + 1172745.

It is an arithmetic number, because the mean of its divisors is an integer number (3315234240).

Almost surely, 2^163158332880 is an apocalyptic number.

163158332880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163158332880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265218739200).

163158332880 is an abundant number, since it is smaller than the sum of its proper divisors (367279145520).

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

163158332880 is a wasteful number, since it uses less digits than its factorization.

163158332880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148769 (or 148763 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 163158332880 in words is "one hundred sixty-three billion, one hundred fifty-eight million, three hundred thirty-two thousand, eight hundred eighty".