216265366 has 8 divisors (see below), whose sum is σ = 338502384. Its totient is φ = 103431240.

The previous prime is 216265363. The next prime is 216265403. The reversal of 216265366 is 663562612.

216265366 is digitally balanced in base 3, 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 a super-2 number, since 2×216265366² = 93541417062227912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216265363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350665 + ... + 2350756.

It is an arithmetic number, because the mean of its divisors is an integer number (42312798).

Almost surely, 2^216265366 is an apocalyptic number.

216265366 is a deficient number, since it is larger than the sum of its proper divisors (122237018).

216265366 is a wasteful number, since it uses less digits than its factorization.

216265366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701446.

The product of its digits is 77760, while the sum is 37.

The square root of 216265366 is about 14705.9636202460. The cubic root of 216265366 is about 600.2456087061.

It can be divided in two parts, 2162 and 65366, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 216265366 in words is "two hundred sixteen million, two hundred sixty-five thousand, three hundred sixty-six".