16986318620 has 24 divisors (see below), whose sum is σ = 35686566384. Its totient is φ = 6791613696.

The previous prime is 16986318607. The next prime is 16986318623. The reversal of 16986318620 is 2681368961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16986318623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133997 + ... + 227876.

It is an arithmetic number, because the mean of its divisors is an integer number (1486940266).

Almost surely, 2^16986318620 is an apocalyptic number.

16986318620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16986318620 is an abundant number, since it is smaller than the sum of its proper divisors (18700247764).

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

16986318620 is a wasteful number, since it uses less digits than its factorization.

16986318620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364229 (or 364227 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 16986318620 in words is "sixteen billion, nine hundred eighty-six million, three hundred eighteen thousand, six hundred twenty".