263097216 has 48 divisors (see below), whose sum is σ = 757092960. Its totient is φ = 87698688.

The previous prime is 263097187. The next prime is 263097221. The reversal of 263097216 is 612790362.

263097216 is a `hidden beast` number, since 2 + 630 + 9 + 7 + 2 + 16 = 666.

263097216 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 (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113040 + ... + 115343.

It is an arithmetic number, because the mean of its divisors is an integer number (15772770).

Almost surely, 2^263097216 is an apocalyptic number.

It is an amenable number.

263097216 is an abundant number, since it is smaller than the sum of its proper divisors (493995744).

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

263097216 is a wasteful number, since it uses less digits than its factorization.

263097216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228403 (or 228388 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 263097216 is about 16220.2717609786. The cubic root of 263097216 is about 640.7747908181.

The spelling of 263097216 in words is "two hundred sixty-three million, ninety-seven thousand, two hundred sixteen".