16785480 has 64 divisors (see below), whose sum is σ = 51543360. Its totient is φ = 4370688.

The previous prime is 16785473. The next prime is 16785529. The reversal of 16785480 is 8458761.

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, 3534 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (805365).

Almost surely, 2^16785480 is an apocalyptic number.

16785480 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 16785480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25771680).

16785480 is an abundant number, since it is smaller than the sum of its proper divisors (34757880).

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

16785480 is a wasteful number, since it uses less digits than its factorization.

16785480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 16785480 is about 4097.0086648676. The cubic root of 16785480 is about 256.0420259781.

The spelling of 16785480 in words is "sixteen million, seven hundred eighty-five thousand, four hundred eighty".