2668486456 has 32 divisors (see below), whose sum is σ = 5107374000. Its totient is φ = 1306690816.

The previous prime is 2668486423. The next prime is 2668486463. The reversal of 2668486456 is 6546848662.

It is a junction number, because it is equal to n+sod(n) for n = 2668486397 and 2668486406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116460 + ... + 137476.

Almost surely, 2^2668486456 is an apocalyptic number.

It is an amenable number.

2668486456 is a deficient number, since it is larger than the sum of its proper divisors (2438887544).

2668486456 is a wasteful number, since it uses less digits than its factorization.

2668486456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21351 (or 21347 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 55.

The square root of 2668486456 is about 51657.3949788411. The cubic root of 2668486456 is about 1387.0379198363.

The spelling of 2668486456 in words is "two billion, six hundred sixty-eight million, four hundred eighty-six thousand, four hundred fifty-six".