163077308940 has 768 divisors, whose sum is σ = 632723374080. Its totient is φ = 30400634880.

The previous prime is 163077308929. The next prime is 163077308993. The reversal of 163077308940 is 49803770361.

163077308940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163077308940² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163077308940.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 97825987 + ... + 97827653.

It is an arithmetic number, because the mean of its divisors is an integer number (823858560).

Almost surely, 2^163077308940 is an apocalyptic number.

163077308940 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 163077308940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316361687040).

163077308940 is an abundant number, since it is smaller than the sum of its proper divisors (469646065140).

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

163077308940 is a wasteful number, since it uses less digits than its factorization.

163077308940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 163077308940 in words is "one hundred sixty-three billion, seventy-seven million, three hundred eight thousand, nine hundred forty".