7741516668 has 24 divisors (see below), whose sum is σ = 18238915968. Its totient is φ = 2555451696.

The previous prime is 7741516631. The next prime is 7741516669. The reversal of 7741516668 is 8666151477.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7741516668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7741516669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130446 + ... + 3132917.

It is an arithmetic number, because the mean of its divisors is an integer number (759954832).

Almost surely, 2^7741516668 is an apocalyptic number.

It is an amenable number.

7741516668 is an abundant number, since it is smaller than the sum of its proper divisors (10497399300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7741516668 is a wasteful number, since it uses less digits than its factorization.

7741516668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263473 (or 6263471 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 7741516668 is about 87985.8890277299. The cubic root of 7741516668 is about 1978.2234743657.

The spelling of 7741516668 in words is "seven billion, seven hundred forty-one million, five hundred sixteen thousand, six hundred sixty-eight".