2666552915 has 16 divisors (see below), whose sum is σ = 3447097248. Its totient is φ = 1968523776.

The previous prime is 2666552897. The next prime is 2666552927. The reversal of 2666552915 is 5192556662.

It is a cyclic number.

It is not a de Polignac number, because 2666552915 - 2²⁴ = 2649775699 is a prime.

It is a super-2 number, since 2×2666552915² = 14221008896989994450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2666552915.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350027 + ... + 357563.

It is an arithmetic number, because the mean of its divisors is an integer number (215443578).

Almost surely, 2^2666552915 is an apocalyptic number.

2666552915 is a deficient number, since it is larger than the sum of its proper divisors (780544333).

2666552915 is a wasteful number, since it uses less digits than its factorization.

2666552915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12998.

The product of its digits is 972000, while the sum is 47.

The square root of 2666552915 is about 51638.6765419099. The cubic root of 2666552915 is about 1386.7028306708.

The spelling of 2666552915 in words is "two billion, six hundred sixty-six million, five hundred fifty-two thousand, nine hundred fifteen".