12415620766 has 24 divisors (see below), whose sum is σ = 19809153000. Its totient is φ = 5831725536.

The previous prime is 12415620743. The next prime is 12415620799. The reversal of 12415620766 is 66702651421.

It is a happy number.

12415620766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37516 + ... + 161983.

It is an arithmetic number, because the mean of its divisors is an integer number (825381375).

Almost surely, 2^12415620766 is an apocalyptic number.

12415620766 is a deficient number, since it is larger than the sum of its proper divisors (7393532234).

12415620766 is a wasteful number, since it uses less digits than its factorization.

12415620766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199596 (or 199567 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12415620766 in words is "twelve billion, four hundred fifteen million, six hundred twenty thousand, seven hundred sixty-six".