7666742516 has 12 divisors (see below), whose sum is σ = 14122946880. Its totient is φ = 3631614840.

The previous prime is 7666742471. The next prime is 7666742521. The reversal of 7666742516 is 6152476667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50439020 + ... + 50439171.

It is an arithmetic number, because the mean of its divisors is an integer number (1176912240).

Almost surely, 2^7666742516 is an apocalyptic number.

7666742516 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7666742516 is a deficient number, since it is larger than the sum of its proper divisors (6456204364).

7666742516 is a wasteful number, since it uses less digits than its factorization.

7666742516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100878214 (or 100878212 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The square root of 7666742516 is about 87559.9367062357. The cubic root of 7666742516 is about 1971.8337358983.

The spelling of 7666742516 in words is "seven billion, six hundred sixty-six million, seven hundred forty-two thousand, five hundred sixteen".