163116560376 has 640 divisors, whose sum is σ = 588624537600. Its totient is φ = 40978586880.

The previous prime is 163116560363. The next prime is 163116560429. The reversal of 163116560376 is 673065611361.

It is a happy number.

163116560376 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 16 + 560 + 3 + 76 = 666.

It is a super-2 number, since 2×163116560376² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 197238475 + ... + 197239301.

It is an arithmetic number, because the mean of its divisors is an integer number (919725840).

Almost surely, 2^163116560376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163116560376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294312268800).

163116560376 is an abundant number, since it is smaller than the sum of its proper divisors (425507977224).

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

163116560376 is a wasteful number, since it uses less digits than its factorization.

163116560376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 163116560376 in words is "one hundred sixty-three billion, one hundred sixteen million, five hundred sixty thousand, three hundred seventy-six".