3149801568 has 144 divisors (see below), whose sum is σ = 9082447920. Its totient is φ = 1035389952.

The previous prime is 3149801533. The next prime is 3149801579. The reversal of 3149801568 is 8651089413.

3149801568 is a `hidden beast` number, since 3 + 1 + 4 + 9 + 80 + 1 + 568 = 666.

3149801568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10750030 + ... + 10750322.

It is an arithmetic number, because the mean of its divisors is an integer number (63072555).

Almost surely, 2^3149801568 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 3149801568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4541223960).

3149801568 is an abundant number, since it is smaller than the sum of its proper divisors (5932646352).

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

3149801568 is a wasteful number, since it uses less digits than its factorization.

3149801568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 3149801568 is about 56123.0930010098. The cubic root of 3149801568 is about 1465.8664271827.

The spelling of 3149801568 in words is "three billion, one hundred forty-nine million, eight hundred one thousand, five hundred sixty-eight".