3643407660266 has 16 divisors (see below), whose sum is σ = 5962638316320. Its totient is φ = 1655900360880.

The previous prime is 3643407660257. The next prime is 3643407660323. The reversal of 3643407660266 is 6620667043463.

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, 9509381 + ... + 9885096.

It is an arithmetic number, because the mean of its divisors is an integer number (372664894770).

Almost surely, 2^{3643407660266} is an apocalyptic number.

3643407660266 is a deficient number, since it is larger than the sum of its proper divisors (2319230656054).

3643407660266 is a wasteful number, since it uses less digits than its factorization.

3643407660266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403029.

The product of its (nonzero) digits is 15676416, while the sum is 53.

The spelling of 3643407660266 in words is "three trillion, six hundred forty-three billion, four hundred seven million, six hundred sixty thousand, two hundred sixty-six".