3626166865 has 16 divisors (see below), whose sum is σ = 4389838848. Its totient is φ = 2875352256.

The previous prime is 3626166857. The next prime is 3626166877. The reversal of 3626166865 is 5686616263.

It is a cyclic number.

It is not a de Polignac number, because 3626166865 - 2³ = 3626166857 is a prime.

It is a super-2 number, since 2×3626166865² = 26298172265647856450, which contains 22 as substring.

It is a Duffinian number.

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, 901599 + ... + 905611.

It is an arithmetic number, because the mean of its divisors is an integer number (274364928).

Almost surely, 2^3626166865 is an apocalyptic number.

It is an amenable number.

3626166865 is a deficient number, since it is larger than the sum of its proper divisors (763671983).

3626166865 is a wasteful number, since it uses less digits than its factorization.

3626166865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568.

The product of its digits is 1866240, while the sum is 49.

The square root of 3626166865 is about 60217.6624006612. The cubic root of 3626166865 is about 1536.3232217800.

The spelling of 3626166865 in words is "three billion, six hundred twenty-six million, one hundred sixty-six thousand, eight hundred sixty-five".