3491151768 has 192 divisors, whose sum is σ = 10516746240. Its totient is φ = 1039433472.

The previous prime is 3491151757. The next prime is 3491151791. The reversal of 3491151768 is 8671511943.

3491151768 is a `hidden beast` number, since 3 + 491 + 151 + 7 + 6 + 8 = 666.

3491151768 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 5111155 + ... + 5111837.

It is an arithmetic number, because the mean of its divisors is an integer number (54774720).

Almost surely, 2^3491151768 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 3491151768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5258373120).

3491151768 is an abundant number, since it is smaller than the sum of its proper divisors (7025594472).

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

3491151768 is a wasteful number, since it uses less digits than its factorization.

3491151768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 871 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 3491151768 is about 59085.9692989799. The cubic root of 3491151768 is about 1517.0139565425.

The spelling of 3491151768 in words is "three billion, four hundred ninety-one million, one hundred fifty-one thousand, seven hundred sixty-eight".