14987938821664 has 24 divisors (see below), whose sum is σ = 29507653582848. Its totient is φ = 7493931562560.

The previous prime is 14987938821637. The next prime is 14987938821677. The reversal of 14987938821664 is 46612883978941.

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, 5905849 + ... + 8053255.

It is an arithmetic number, because the mean of its divisors is an integer number (1229485565952).

Almost surely, 2^{14987938821664} is an apocalyptic number.

It is an amenable number.

14987938821664 is a deficient number, since it is larger than the sum of its proper divisors (14519714761184).

14987938821664 is a wasteful number, since it uses less digits than its factorization.

14987938821664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365528 (or 2365520 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 76.

The spelling of 14987938821664 in words is "fourteen trillion, nine hundred eighty-seven billion, nine hundred thirty-eight million, eight hundred twenty-one thousand, six hundred sixty-four".