16863732084 has 24 divisors (see below), whose sum is σ = 39658544128. Its totient is φ = 5576981760.

The previous prime is 16863732079. The next prime is 16863732101. The reversal of 16863732084 is 48023736861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5531197 + ... + 5534244.

Almost surely, 2^16863732084 is an apocalyptic number.

It is an amenable number.

16863732084 is an abundant number, since it is smaller than the sum of its proper divisors (22794812044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16863732084 is a wasteful number, since it uses less digits than its factorization.

16863732084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065575 (or 11065573 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 16863732084 in words is "sixteen billion, eight hundred sixty-three million, seven hundred thirty-two thousand, eighty-four".