5815002666 has 32 divisors (see below), whose sum is σ = 12865982976. Its totient is φ = 1737302000.

The previous prime is 5815002637. The next prime is 5815002671. The reversal of 5815002666 is 6662005185.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615780 + ... + 625151.

It is an arithmetic number, because the mean of its divisors is an integer number (402061968).

Almost surely, 2^5815002666 is an apocalyptic number.

5815002666 is an abundant number, since it is smaller than the sum of its proper divisors (7050980310).

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

5815002666 is a wasteful number, since it uses less digits than its factorization.

5815002666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241018.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 5815002666 is about 76256.1647737414. The cubic root of 5815002666 is about 1798.2496014743.

The spelling of 5815002666 in words is "five billion, eight hundred fifteen million, two thousand, six hundred sixty-six".