16856998284 has 48 divisors (see below), whose sum is σ = 47317894400. Its totient is φ = 4562796096.

The previous prime is 16856998283. The next prime is 16856998297. The reversal of 16856998284 is 48289965861.

It is a super-2 number, since 2×16856998284² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16856998283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5279419 + ... + 5282610.

Almost surely, 2^16856998284 is an apocalyptic number.

16856998284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16856998284 is an abundant number, since it is smaller than the sum of its proper divisors (30460896116).

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

16856998284 is a wasteful number, since it uses less digits than its factorization.

16856998284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562062 (or 10562060 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 66.

The spelling of 16856998284 in words is "sixteen billion, eight hundred fifty-six million, nine hundred ninety-eight thousand, two hundred eighty-four".