6656124590 has 8 divisors (see below), whose sum is σ = 11981024280. Its totient is φ = 2662449832.

The previous prime is 6656124571. The next prime is 6656124599. The reversal of 6656124590 is 954216566.

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 (6656124599) 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, 332806220 + ... + 332806239.

It is an arithmetic number, because the mean of its divisors is an integer number (1497628035).

Almost surely, 2^6656124590 is an apocalyptic number.

6656124590 is a deficient number, since it is larger than the sum of its proper divisors (5324899690).

6656124590 is a wasteful number, since it uses less digits than its factorization.

6656124590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665612466.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 6656124590 is about 81585.0757798263. The cubic root of 6656124590 is about 1881.0794869939.

The spelling of 6656124590 in words is "six billion, six hundred fifty-six million, one hundred twenty-four thousand, five hundred ninety".