16487822943 has 16 divisors (see below), whose sum is σ = 25022172000. Its totient is φ = 10723786560.

The previous prime is 16487822917. The next prime is 16487822957. The reversal of 16487822943 is 34922878461.

It is not a de Polignac number, because 16487822943 - 2²² = 16483628639 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16487822943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16487822243) 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 15 ways as a sum of consecutive naturals, for example, 7445968 + ... + 7448181.

It is an arithmetic number, because the mean of its divisors is an integer number (1563885750).

Almost surely, 2^16487822943 is an apocalyptic number.

16487822943 is a deficient number, since it is larger than the sum of its proper divisors (8534349057).

16487822943 is a wasteful number, since it uses less digits than its factorization.

16487822943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14894199 (or 14894193 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 16487822943 in words is "sixteen billion, four hundred eighty-seven million, eight hundred twenty-two thousand, nine hundred forty-three".