16216746 has 48 divisors (see below), whose sum is σ = 40640544. Its totient is φ = 4275936.

The previous prime is 16216741. The next prime is 16216763. The reversal of 16216746 is 64761261.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16216741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (846678).

Almost surely, 2^16216746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16216746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20320272).

16216746 is an abundant number, since it is smaller than the sum of its proper divisors (24423798).

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

16216746 is a wasteful number, since it uses less digits than its factorization.

16216746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275 (or 4268 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 16216746 is about 4027.0021107519. The cubic root of 16216746 is about 253.1169555133.

The spelling of 16216746 in words is "sixteen million, two hundred sixteen thousand, seven hundred forty-six".