16319118267840 has 56 divisors (see below), whose sum is σ = 51813200503440. Its totient is φ = 4351764871168.

The previous prime is 16319118267827. The next prime is 16319118267869. The reversal of 16319118267840 is 4876281191361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8499539805 + ... + 8499541724.

Almost surely, 2^{16319118267840} is an apocalyptic number.

16319118267840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16319118267840 is an abundant number, since it is smaller than the sum of its proper divisors (35494082235600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16319118267840 is a wasteful number, since it uses less digits than its factorization.

16319118267840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16999081549 (or 16999081539 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 16319118267840 in words is "sixteen trillion, three hundred nineteen billion, one hundred eighteen million, two hundred sixty-seven thousand, eight hundred forty".