3068696520 has 192 divisors, whose sum is σ = 10595286000. Its totient is φ = 767606784.

The previous prime is 3068696513. The next prime is 3068696563. The reversal of 3068696520 is 256968603.

It is a happy number.

3068696520 is a `hidden beast` number, since 3 + 0 + 68 + 69 + 6 + 520 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1856403396 + 1212293124 = 43086^2 + 34818^2 .

It is a super-2 number, since 2×3068696520² = 18833796663720220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 2380036 + ... + 2381324.

Almost surely, 2^3068696520 is an apocalyptic number.

3068696520 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 3068696520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5297643000).

3068696520 is an abundant number, since it is smaller than the sum of its proper divisors (7526589480).

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

3068696520 is a wasteful number, since it uses less digits than its factorization.

3068696520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 3068696520 is about 55395.8168095751. The cubic root of 3068696520 is about 1453.1752091149.

The spelling of 3068696520 in words is "three billion, sixty-eight million, six hundred ninety-six thousand, five hundred twenty".