3668994980266 has 16 divisors (see below), whose sum is σ = 6861497106240. Its totient is φ = 1429478563680.

The previous prime is 3668994980219. The next prime is 3668994980359. The reversal of 3668994980266 is 6620894998663.

It is a junction number, because it is equal to n+sod(n) for n = 3668994980192 and 3668994980201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11912321211 + ... + 11912321518.

It is an arithmetic number, because the mean of its divisors is an integer number (428843569140).

Almost surely, 2^{3668994980266} is an apocalyptic number.

3668994980266 is a deficient number, since it is larger than the sum of its proper divisors (3192502125974).

3668994980266 is a wasteful number, since it uses less digits than its factorization.

3668994980266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23824642749.

The product of its (nonzero) digits is 1451188224, while the sum is 76.

The spelling of 3668994980266 in words is "three trillion, six hundred sixty-eight billion, nine hundred ninety-four million, nine hundred eighty thousand, two hundred sixty-six".