16982678520 has 96 divisors (see below), whose sum is σ = 55762827120. Its totient is φ = 4482017280.

The previous prime is 16982678519. The next prime is 16982678527. The reversal of 16982678520 is 2587628961.

16982678520 is a `hidden beast` number, since 1 + 6 + 98 + 26 + 7 + 8 + 520 = 666.

It is a super-2 number, since 2×16982678520² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16982678527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208246 + ... + 278085.

Almost surely, 2^16982678520 is an apocalyptic number.

16982678520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16982678520 is an abundant number, since it is smaller than the sum of its proper divisors (38780148600).

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

16982678520 is a wasteful number, since it uses less digits than its factorization.

16982678520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486445 (or 486438 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 16982678520 in words is "sixteen billion, nine hundred eighty-two million, six hundred seventy-eight thousand, five hundred twenty".