6574040664 has 32 divisors (see below), whose sum is σ = 16438165440. Its totient is φ = 2190938400.

The previous prime is 6574040633. The next prime is 6574040677. The reversal of 6574040664 is 4660404756.

It is a happy number.

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, 123699 + ... + 168669.

It is an arithmetic number, because the mean of its divisors is an integer number (513692670).

Almost surely, 2^6574040664 is an apocalyptic number.

It is an amenable number.

6574040664 is an abundant number, since it is smaller than the sum of its proper divisors (9864124776).

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

6574040664 is a wasteful number, since it uses less digits than its factorization.

6574040664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51071 (or 51067 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 6574040664 is about 81080.4579661462. The cubic root of 6574040664 is about 1873.3149342243.

The spelling of 6574040664 in words is "six billion, five hundred seventy-four million, forty thousand, six hundred sixty-four".