16863132782 has 8 divisors (see below), whose sum is σ = 25297904352. Its totient is φ = 8430498000.

The previous prime is 16863132743. The next prime is 16863132791. The reversal of 16863132782 is 28723136861.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514319 + ... + 546122.

It is an arithmetic number, because the mean of its divisors is an integer number (3162238044).

Almost surely, 2^16863132782 is an apocalyptic number.

16863132782 is a deficient number, since it is larger than the sum of its proper divisors (8434771570).

16863132782 is a wasteful number, since it uses less digits than its factorization.

16863132782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068394.

The product of its digits is 580608, while the sum is 47.

The spelling of 16863132782 in words is "sixteen billion, eight hundred sixty-three million, one hundred thirty-two thousand, seven hundred eighty-two".