7741460821666 has 64 divisors (see below), whose sum is σ = 13912038645120. Its totient is φ = 3184049456640.

The previous prime is 7741460821651. The next prime is 7741460821669. The reversal of 7741460821666 is 6661280641477.

It is a self number, because there is not a number n which added to its sum of digits gives 7741460821666.

It is not an unprimeable number, because it can be changed into a prime (7741460821669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16887201 + ... + 17339563.

It is an arithmetic number, because the mean of its divisors is an integer number (217375603830).

Almost surely, 2^{7741460821666} is an apocalyptic number.

7741460821666 is a deficient number, since it is larger than the sum of its proper divisors (6170577823454).

7741460821666 is a wasteful number, since it uses less digits than its factorization.

7741460821666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453571.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 7741460821666 in words is "seven trillion, seven hundred forty-one billion, four hundred sixty million, eight hundred twenty-one thousand, six hundred sixty-six".