16863132783 has 48 divisors (see below), whose sum is σ = 26882695680. Its totient is φ = 9371666304.

The previous prime is 16863132743. The next prime is 16863132791. The reversal of 16863132783 is 38723136861.

It is not a de Polignac number, because 16863132783 - 2¹² = 16863128687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16863132703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 767235 + ... + 788907.

It is an arithmetic number, because the mean of its divisors is an integer number (560056160).

Almost surely, 2^16863132783 is an apocalyptic number.

16863132783 is a deficient number, since it is larger than the sum of its proper divisors (10019562897).

16863132783 is a wasteful number, since it uses less digits than its factorization.

16863132783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21836 (or 21829 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The spelling of 16863132783 in words is "sixteen billion, eight hundred sixty-three million, one hundred thirty-two thousand, seven hundred eighty-three".