3161563680 has 192 divisors, whose sum is σ = 10978063488. Its totient is φ = 758415360.

The previous prime is 3161563667. The next prime is 3161563681. The reversal of 3161563680 is 863651613.

It is not an unprimeable number, because it can be changed into a prime (3161563681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509074 + ... + 515246.

It is an arithmetic number, because the mean of its divisors is an integer number (57177414).

Almost surely, 2^3161563680 is an apocalyptic number.

3161563680 is a gapful number since it is divisible by the number (30) 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 3161563680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5489031744).

3161563680 is an abundant number, since it is smaller than the sum of its proper divisors (7816499808).

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

3161563680 is a wasteful number, since it uses less digits than its factorization.

3161563680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299 (or 6291 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 3161563680 is about 56227.7838795021. The cubic root of 3161563680 is about 1467.6887925614.

The spelling of 3161563680 in words is "three billion, one hundred sixty-one million, five hundred sixty-three thousand, six hundred eighty".