2668297108 has 6 divisors (see below), whose sum is σ = 4669519946. Its totient is φ = 1334148552.

The previous prime is 2668297087. The next prime is 2668297139. The reversal of 2668297108 is 8017928662.

It can be written as a sum of positive squares in only one way, i.e., 2026080144 + 642216964 = 45012^2 + 25342^2 .

It is a super-2 number, since 2×2668297108² = 14239618913122327328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333537135 + ... + 333537142.

Almost surely, 2^2668297108 is an apocalyptic number.

It is an amenable number.

2668297108 is a deficient number, since it is larger than the sum of its proper divisors (2001222838).

2668297108 is a wasteful number, since it uses less digits than its factorization.

2668297108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667074281 (or 667074279 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 2668297108 is about 51655.5622174418. The cubic root of 2668297108 is about 1387.0051123413.

The spelling of 2668297108 in words is "two billion, six hundred sixty-eight million, two hundred ninety-seven thousand, one hundred eight".