16381782837 has 48 divisors (see below), whose sum is σ = 28071393792. Its totient is φ = 9011554560.

The previous prime is 16381782829. The next prime is 16381782847. The reversal of 16381782837 is 73828718361.

It is not a de Polignac number, because 16381782837 - 2³ = 16381782829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16381782847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135273 + ... + 225969.

It is an arithmetic number, because the mean of its divisors is an integer number (584820704).

Almost surely, 2^16381782837 is an apocalyptic number.

It is an amenable number.

16381782837 is a deficient number, since it is larger than the sum of its proper divisors (11689610955).

16381782837 is a wasteful number, since it uses less digits than its factorization.

16381782837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90818 (or 90815 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 16381782837 in words is "sixteen billion, three hundred eighty-one million, seven hundred eighty-two thousand, eight hundred thirty-seven".