16331719744 has 28 divisors (see below), whose sum is σ = 32425652700. Its totient is φ = 8161476608.

The previous prime is 16331719717. The next prime is 16331719763. The reversal of 16331719744 is 44791713361.

It can be written as a sum of positive squares in 2 ways, for example, as 13160678400 + 3171041344 = 114720^2 + 56312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16331719694 and 16331719703.

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, 53352 + ... + 188440.

It is an arithmetic number, because the mean of its divisors is an integer number (1158059025).

Almost surely, 2^16331719744 is an apocalyptic number.

It is an amenable number.

16331719744 is a deficient number, since it is larger than the sum of its proper divisors (16093932956).

16331719744 is a wasteful number, since it uses less digits than its factorization.

16331719744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136990 (or 136980 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The spelling of 16331719744 in words is "sixteen billion, three hundred thirty-one million, seven hundred nineteen thousand, seven hundred forty-four".