16676240 has 80 divisors (see below), whose sum is σ = 44913792. Its totient is φ = 5640192.

The previous prime is 16676239. The next prime is 16676251. The reversal of 16676240 is 4267661.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 16676197 and 16676206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54167 + ... + 54473.

Almost surely, 2^16676240 is an apocalyptic number.

16676240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16676240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22456896).

16676240 is an abundant number, since it is smaller than the sum of its proper divisors (28237552).

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

16676240 is a wasteful number, since it uses less digits than its factorization.

16676240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 16676240 is about 4083.6552254077. The cubic root of 16676240 is about 255.4853756742.

The spelling of 16676240 in words is "sixteen million, six hundred seventy-six thousand, two hundred forty".