16394797441 has 8 divisors (see below), whose sum is σ = 17977905504. Its totient is φ = 14827134720.

The previous prime is 16394797429. The next prime is 16394797487. The reversal of 16394797441 is 14479749361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16394797441 - 2¹⁷ = 16394666369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16394737441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3859111 + ... + 3863356.

It is an arithmetic number, because the mean of its divisors is an integer number (2247238188).

Almost surely, 2^16394797441 is an apocalyptic number.

16394797441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16394797441 is a deficient number, since it is larger than the sum of its proper divisors (1583108063).

16394797441 is a wasteful number, since it uses less digits than its factorization.

16394797441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722671.

The product of its digits is 4572288, while the sum is 55.

The spelling of 16394797441 in words is "sixteen billion, three hundred ninety-four million, seven hundred ninety-seven thousand, four hundred forty-one".