15676371412 has 24 divisors (see below), whose sum is σ = 29670751656. Its totient is φ = 7204190208.

The previous prime is 15676371407. The next prime is 15676371421. The reversal of 15676371412 is 21417367651.

15676371412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 713210436 + 14963160976 = 26706^2 + 122324^2 .

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 7 ways as a sum of consecutive naturals, for example, 634813 + ... + 659044.

It is an arithmetic number, because the mean of its divisors is an integer number (1236281319).

Almost surely, 2^15676371412 is an apocalyptic number.

It is an amenable number.

15676371412 is a deficient number, since it is larger than the sum of its proper divisors (13994380244).

15676371412 is a wasteful number, since it uses less digits than its factorization.

15676371412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294107 (or 1294105 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The spelling of 15676371412 in words is "fifteen billion, six hundred seventy-six million, three hundred seventy-one thousand, four hundred twelve".