6666452615 has 8 divisors (see below), whose sum is σ = 8215952640. Its totient is φ = 5189022432.

The previous prime is 6666452579. The next prime is 6666452621. The reversal of 6666452615 is 5162546666.

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

It is a cyclic number.

It is not a de Polignac number, because 6666452615 - 2²⁴ = 6649675399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6666452615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18017255 + ... + 18017624.

It is an arithmetic number, because the mean of its divisors is an integer number (1026994080).

Almost surely, 2^6666452615 is an apocalyptic number.

6666452615 is a deficient number, since it is larger than the sum of its proper divisors (1549500025).

6666452615 is a wasteful number, since it uses less digits than its factorization.

6666452615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36034921.

The product of its digits is 1555200, while the sum is 47.

The square root of 6666452615 is about 81648.3472888460. The cubic root of 6666452615 is about 1882.0519145134.

The spelling of 6666452615 in words is "six billion, six hundred sixty-six million, four hundred fifty-two thousand, six hundred fifteen".