16394934441 has 16 divisors (see below), whose sum is σ = 21972787200. Its totient is φ = 10873656720.

The previous prime is 16394934431. The next prime is 16394934461. The reversal of 16394934441 is 14443949361.

It is not a de Polignac number, because 16394934441 - 2²⁷ = 16260716713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16394934431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471160 + ... + 504758.

It is an arithmetic number, because the mean of its divisors is an integer number (1373299200).

Almost surely, 2^16394934441 is an apocalyptic number.

It is an amenable number.

16394934441 is a deficient number, since it is larger than the sum of its proper divisors (5577852759).

16394934441 is a wasteful number, since it uses less digits than its factorization.

16394934441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34436.

The product of its digits is 1119744, while the sum is 48.

The spelling of 16394934441 in words is "sixteen billion, three hundred ninety-four million, nine hundred thirty-four thousand, four hundred forty-one".