680162263 has 4 divisors (see below), whose sum is σ = 741995208. Its totient is φ = 618329320.

The previous prime is 680162257. The next prime is 680162291. The reversal of 680162263 is 362261086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680162263 - 2²⁵ = 646607831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680162293) 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, 30916456 + ... + 30916477.

It is an arithmetic number, because the mean of its divisors is an integer number (185498802).

Almost surely, 2^680162263 is an apocalyptic number.

680162263 is a deficient number, since it is larger than the sum of its proper divisors (61832945).

680162263 is a wasteful number, since it uses less digits than its factorization.

680162263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61832944.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 680162263 is about 26079.9206862291. The cubic root of 680162263 is about 879.4358742388.

The spelling of 680162263 in words is "six hundred eighty million, one hundred sixty-two thousand, two hundred sixty-three".