2566085915 has 8 divisors (see below), whose sum is σ = 3178635648. Its totient is φ = 1986647040.

The previous prime is 2566085903. The next prime is 2566085923. The reversal of 2566085915 is 5195806652.

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

It is not a de Polignac number, because 2566085915 - 2¹⁰ = 2566084891 is a prime.

It is a super-2 number, since 2×2566085915² = 13169593846322774450, which contains 22 as substring.

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 2566085915.

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, 8277542 + ... + 8277851.

It is an arithmetic number, because the mean of its divisors is an integer number (397329456).

Almost surely, 2^2566085915 is an apocalyptic number.

2566085915 is a deficient number, since it is larger than the sum of its proper divisors (612549733).

2566085915 is a wasteful number, since it uses less digits than its factorization.

2566085915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16555429.

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 2566085915 is about 50656.5485894963. The cubic root of 2566085915 is about 1369.0639378030.

The spelling of 2566085915 in words is "two billion, five hundred sixty-six million, eighty-five thousand, nine hundred fifteen".