16949760 has 80 divisors (see below), whose sum is σ = 54210816. Its totient is φ = 4517888.

The previous prime is 16949711. The next prime is 16949773. The reversal of 16949760 is 6794961.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6577 + ... + 8783.

Almost surely, 2^16949760 is an apocalyptic number.

16949760 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 16949760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27105408).

16949760 is an abundant number, since it is smaller than the sum of its proper divisors (37261056).

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

16949760 is an equidigital number, since it uses as much as digits as its factorization.

16949760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 16949760 is about 4117.0086227746. The cubic root of 16949760 is about 256.8746126882.

The spelling of 16949760 in words is "sixteen million, nine hundred forty-nine thousand, seven hundred sixty".