3656670266 has 16 divisors (see below), whose sum is σ = 5516729856. Its totient is φ = 1817773776.

The previous prime is 3656670257. The next prime is 3656670307. The reversal of 3656670266 is 6620766563.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3656670266.

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, 820055 + ... + 824501.

It is an arithmetic number, because the mean of its divisors is an integer number (344795616).

Almost surely, 2^3656670266 is an apocalyptic number.

3656670266 is a deficient number, since it is larger than the sum of its proper divisors (1860059590).

3656670266 is a wasteful number, since it uses less digits than its factorization.

3656670266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The square root of 3656670266 is about 60470.4081844996. The cubic root of 3656670266 is about 1540.6190610010.

The spelling of 3656670266 in words is "three billion, six hundred fifty-six million, six hundred seventy thousand, two hundred sixty-six".