6868616328 has 48 divisors (see below), whose sum is σ = 21260004480. Its totient is φ = 1962461664.

The previous prime is 6868616257. The next prime is 6868616351. The reversal of 6868616328 is 8236168686.

It is a super-2 number, since 2×6868616328² = 94355780522536407168, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6813600 + ... + 6814607.

It is an arithmetic number, because the mean of its divisors is an integer number (442916760).

Almost surely, 2^6868616328 is an apocalyptic number.

It is an amenable number.

6868616328 is an abundant number, since it is smaller than the sum of its proper divisors (14391388152).

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

6868616328 is a wasteful number, since it uses less digits than its factorization.

6868616328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628226 (or 13628219 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 6868616328 is about 82877.1158281947. The cubic root of 6868616328 is about 1900.8875196179.

The spelling of 6868616328 in words is "six billion, eight hundred sixty-eight million, six hundred sixteen thousand, three hundred twenty-eight".