3163520640 has 256 divisors, whose sum is σ = 11807389440. Its totient is φ = 705331200.

The previous prime is 3163520639. The next prime is 3163520663. The reversal of 3163520640 is 460253613.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3163520598 and 3163520607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548170 + ... + 553910.

It is an arithmetic number, because the mean of its divisors is an integer number (46122615).

Almost surely, 2^3163520640 is an apocalyptic number.

3163520640 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 3163520640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5903694720).

3163520640 is an abundant number, since it is smaller than the sum of its proper divisors (8643868800).

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

3163520640 is a wasteful number, since it uses less digits than its factorization.

3163520640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811 (or 5799 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3163520640 is about 56245.1832604357. The cubic root of 3163520640 is about 1467.9915558073.

The spelling of 3163520640 in words is "three billion, one hundred sixty-three million, five hundred twenty thousand, six hundred forty".