266163216 has 60 divisors (see below), whose sum is σ = 755795376. Its totient is φ = 80653760.

The previous prime is 266163197. The next prime is 266163221. The reversal of 266163216 is 612361662.

266163216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17106 + ... + 28721.

Almost surely, 2^266163216 is an apocalyptic number.

It is an amenable number.

266163216 is an abundant number, since it is smaller than the sum of its proper divisors (489632160).

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

266163216 is a wasteful number, since it uses less digits than its factorization.

266163216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45860 (or 45843 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 266163216 is about 16314.5093704959. The cubic root of 266163216 is about 643.2542709955.

The spelling of 266163216 in words is "two hundred sixty-six million, one hundred sixty-three thousand, two hundred sixteen".