6455566494 has 24 divisors (see below), whose sum is σ = 15062989032. Its totient is φ = 1986328080.

The previous prime is 6455566463. The next prime is 6455566501. The reversal of 6455566494 is 4946655546.

6455566494 is a `hidden beast` number, since 6 + 45 + 55 + 66 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6455566494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13793712 + ... + 13794179.

It is an arithmetic number, because the mean of its divisors is an integer number (627624543).

Almost surely, 2^6455566494 is an apocalyptic number.

6455566494 is an abundant number, since it is smaller than the sum of its proper divisors (8607422538).

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

6455566494 is a wasteful number, since it uses less digits than its factorization.

6455566494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27587912 (or 27587909 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The square root of 6455566494 is about 80346.5400250689. The cubic root of 6455566494 is about 1861.9933243565.

The spelling of 6455566494 in words is "six billion, four hundred fifty-five million, five hundred sixty-six thousand, four hundred ninety-four".