16980870 has 64 divisors (see below), whose sum is σ = 44328960. Its totient is φ = 4151520.

The previous prime is 16980853. The next prime is 16980871. The reversal of 16980870 is 7808961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16980871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547755 + ... + 547785.

It is an arithmetic number, because the mean of its divisors is an integer number (692640).

Almost surely, 2^16980870 is an apocalyptic number.

16980870 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 16980870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22164480).

16980870 is an abundant number, since it is smaller than the sum of its proper divisors (27348090).

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

16980870 is an equidigital number, since it uses as much as digits as its factorization.

16980870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 16980870 is about 4120.7851193674. The cubic root of 16980870 is about 257.0316745973.

The spelling of 16980870 in words is "sixteen million, nine hundred eighty thousand, eight hundred seventy".