16354843896 has 128 divisors (see below), whose sum is σ = 43229894400. Its totient is φ = 5150177280.

The previous prime is 16354843891. The next prime is 16354843913. The reversal of 16354843896 is 69834845361.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16354843891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4346656 + ... + 4350416.

It is an arithmetic number, because the mean of its divisors is an integer number (337733550).

Almost surely, 2^16354843896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16354843896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21614947200).

16354843896 is an abundant number, since it is smaller than the sum of its proper divisors (26875050504).

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

16354843896 is a wasteful number, since it uses less digits than its factorization.

16354843896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949 (or 3945 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 16354843896 in words is "sixteen billion, three hundred fifty-four million, eight hundred forty-three thousand, eight hundred ninety-six".