16683980490 has 96 divisors (see below), whose sum is σ = 43700763600. Its totient is φ = 4416122880.

The previous prime is 16683980477. The next prime is 16683980507. The reversal of 16683980490 is 9408938661.

16683980490 is a `hidden beast` number, since 1 + 6 + 68 + 3 + 98 + 0 + 490 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8158966929 + 8525013561 = 90327^2 + 92331^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8016250 + ... + 8018330.

Almost surely, 2^16683980490 is an apocalyptic number.

16683980490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16683980490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21850381800).

16683980490 is an abundant number, since it is smaller than the sum of its proper divisors (27016783110).

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

16683980490 is a wasteful number, since it uses less digits than its factorization.

16683980490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 16683980490 in words is "sixteen billion, six hundred eighty-three million, nine hundred eighty thousand, four hundred ninety".