3666660250635 has 64 divisors (see below), whose sum is σ = 6586184908800. Its totient is φ = 1935351121536.

The previous prime is 3666660250597. The next prime is 3666660250697. The reversal of 3666660250635 is 5360520666663.

It is not a de Polignac number, because 3666660250635 - 2²² = 3666656056331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4807702 + ... + 5517908.

It is an arithmetic number, because the mean of its divisors is an integer number (102909139200).

Almost surely, 2^{3666660250635} is an apocalyptic number.

3666660250635 is a deficient number, since it is larger than the sum of its proper divisors (2919524658165).

3666660250635 is a wasteful number, since it uses less digits than its factorization.

3666660250635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710617 (or 710611 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 54.

The spelling of 3666660250635 in words is "three trillion, six hundred sixty-six billion, six hundred sixty million, two hundred fifty thousand, six hundred thirty-five".