2680663 has 8 divisors (see below), whose sum is σ = 2832896. Its totient is φ = 2532600.

The previous prime is 2680661. The next prime is 2680681. The reversal of 2680663 is 3660862.

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

It is a cyclic number.

It is not a de Polignac number, because 2680663 - 2¹ = 2680661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (354112).

2^2680663 is an apocalyptic number.

2680663 is a deficient number, since it is larger than the sum of its proper divisors (152233).

2680663 is a wasteful number, since it uses less digits than its factorization.

2680663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2680663 is about 1637.2730377063. The cubic root of 2680663 is about 138.9144445301.

The spelling of 2680663 in words is "two million, six hundred eighty thousand, six hundred sixty-three".