16344472741 has 6 divisors (see below), whose sum is σ = 17362467890. Its totient is φ = 15383032896.

The previous prime is 16344472717. The next prime is 16344472783. The reversal of 16344472741 is 14727444361.

It can be written as a sum of positive squares in 3 ways, for example, as 9633422500 + 6711050241 = 98150^2 + 81921^2 .

It is not a de Polignac number, because 16344472741 - 2²⁷ = 16210255013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344472141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28277346 + ... + 28277923.

Almost surely, 2^16344472741 is an apocalyptic number.

It is an amenable number.

16344472741 is a deficient number, since it is larger than the sum of its proper divisors (1017995149).

16344472741 is an equidigital number, since it uses as much as digits as its factorization.

16344472741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56555303 (or 56555286 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The spelling of 16344472741 in words is "sixteen billion, three hundred forty-four million, four hundred seventy-two thousand, seven hundred forty-one".