6664888574 has 8 divisors (see below), whose sum is σ = 9997932168. Its totient is φ = 3332244520.

The previous prime is 6664888561. The next prime is 6664888577. The reversal of 6664888574 is 4758884666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664888577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53957 + ... + 127440.

It is an arithmetic number, because the mean of its divisors is an integer number (1249741521).

Almost surely, 2^6664888574 is an apocalyptic number.

6664888574 is a deficient number, since it is larger than the sum of its proper divisors (3333043594).

6664888574 is a wasteful number, since it uses less digits than its factorization.

6664888574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199770.

The product of its digits is 61931520, while the sum is 62.

The square root of 6664888574 is about 81638.7688172721. The cubic root of 6664888574 is about 1881.9047179577.

The spelling of 6664888574 in words is "six billion, six hundred sixty-four million, eight hundred eighty-eight thousand, five hundred seventy-four".