2606663331 has 12 divisors (see below), whose sum is σ = 3836222208. Its totient is φ = 1704987024.

The previous prime is 2606663327. The next prime is 2606663377. The reversal of 2606663331 is 1333666062.

It is a happy number.

It is not a de Polignac number, because 2606663331 - 2² = 2606663327 is a prime.

It is a super-2 number, since 2×2606663331² = 13589387442360031122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2606665331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2731875 + ... + 2732828.

It is an arithmetic number, because the mean of its divisors is an integer number (319685184).

Almost surely, 2^2606663331 is an apocalyptic number.

2606663331 is a deficient number, since it is larger than the sum of its proper divisors (1229558877).

2606663331 is a wasteful number, since it uses less digits than its factorization.

2606663331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464762 (or 5464759 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 2606663331 is about 51055.4926623963. The cubic root of 2606663331 is about 1376.2425494873.

The spelling of 2606663331 in words is "two billion, six hundred six million, six hundred sixty-three thousand, three hundred thirty-one".