3159281664 has 624 divisors, whose sum is σ = 12101711040. Its totient is φ = 805109760.

The previous prime is 3159281627. The next prime is 3159281731. The reversal of 3159281664 is 4661829513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59609062 + ... + 59609114.

Almost surely, 2^3159281664 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 3159281664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6050855520).

3159281664 is an abundant number, since it is smaller than the sum of its proper divisors (8942429376).

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

3159281664 is a wasteful number, since it uses less digits than its factorization.

3159281664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 76 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3159281664 is about 56207.4876150856. The cubic root of 3159281664 is about 1467.3355817445.

The spelling of 3159281664 in words is "three billion, one hundred fifty-nine million, two hundred eighty-one thousand, six hundred sixty-four".