16863834480 has 80 divisors (see below), whose sum is σ = 52318270464. Its totient is φ = 4493548800.

The previous prime is 16863834467. The next prime is 16863834523. The reversal of 16863834480 is 8443836861.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292005 + ... + 344955.

Almost surely, 2^16863834480 is an apocalyptic number.

16863834480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16863834480 is an abundant number, since it is smaller than the sum of its proper divisors (35454435984).

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

16863834480 is a wasteful number, since it uses less digits than its factorization.

16863834480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54294 (or 54288 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 16863834480 in words is "sixteen billion, eight hundred sixty-three million, eight hundred thirty-four thousand, four hundred eighty".