216013773 has 8 divisors (see below), whose sum is σ = 288123136. Its totient is φ = 143956800.

The previous prime is 216013757. The next prime is 216013801. The reversal of 216013773 is 377310612.

216013773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216013773 - 2⁴ = 216013757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216013773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216013753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173 + ... + 20898.

It is an arithmetic number, because the mean of its divisors is an integer number (36015392).

Almost surely, 2^216013773 is an apocalyptic number.

It is an amenable number.

216013773 is a deficient number, since it is larger than the sum of its proper divisors (72109363).

216013773 is a wasteful number, since it uses less digits than its factorization.

216013773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26195.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 216013773 is about 14697.4070162053. The cubic root of 216013773 is about 600.0127525067.

The spelling of 216013773 in words is "two hundred sixteen million, thirteen thousand, seven hundred seventy-three".