216194496 has 112 divisors (see below), whose sum is σ = 674949120. Its totient is φ = 59765760.

The previous prime is 216194479. The next prime is 216194543. The reversal of 216194496 is 694491612.

216194496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 39070 + ... + 44258.

Almost surely, 2^216194496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216194496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337474560).

216194496 is an abundant number, since it is smaller than the sum of its proper divisors (458754624).

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

216194496 is a wasteful number, since it uses less digits than its factorization.

216194496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242 (or 5232 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 216194496 is about 14703.5538561261. The cubic root of 216194496 is about 600.1800348626.

The spelling of 216194496 in words is "two hundred sixteen million, one hundred ninety-four thousand, four hundred ninety-six".