163116750720 has 1536 divisors, whose sum is σ = 703261440000. Its totient is φ = 32056442880.

The previous prime is 163116750683. The next prime is 163116750761. The reversal of 163116750720 is 27057611361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1832772436 + ... + 1832772524.

It is an arithmetic number, because the mean of its divisors is an integer number (457852500).

Almost surely, 2^163116750720 is an apocalyptic number.

163116750720 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 163116750720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351630720000).

163116750720 is an abundant number, since it is smaller than the sum of its proper divisors (540144689280).

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

163116750720 is a wasteful number, since it uses less digits than its factorization.

163116750720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 163116750720 in words is "one hundred sixty-three billion, one hundred sixteen million, seven hundred fifty thousand, seven hundred twenty".