84016668920 has 16 divisors (see below), whose sum is σ = 189037505160. Its totient is φ = 33606667552.

The previous prime is 84016668919. The next prime is 84016668943. The reversal of 84016668920 is 2986661048.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050208322 + ... + 1050208401.

Almost surely, 2^84016668920 is an apocalyptic number.

It is an amenable number.

84016668920 is an abundant number, since it is smaller than the sum of its proper divisors (105020836240).

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

84016668920 is a wasteful number, since it uses less digits than its factorization.

84016668920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100416734 (or 2100416730 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 84016668920 in words is "eighty-four billion, sixteen million, six hundred sixty-eight thousand, nine hundred twenty".