2606442066 has 24 divisors (see below), whose sum is σ = 5674063824. Its totient is φ = 864695160.

The previous prime is 2606442053. The next prime is 2606442073. The reversal of 2606442066 is 6602446062.

2606442066 is a `hidden beast` number, since 2 + 6 + 0 + 644 + 2 + 0 + 6 + 6 = 666.

2606442066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2606442066.

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, 339336 + ... + 346931.

It is an arithmetic number, because the mean of its divisors is an integer number (236419326).

Almost surely, 2^2606442066 is an apocalyptic number.

2606442066 is an abundant number, since it is smaller than the sum of its proper divisors (3067621758).

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

2606442066 is a wasteful number, since it uses less digits than its factorization.

2606442066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686486 (or 686483 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2606442066 is about 51053.3257094971. The cubic root of 2606442066 is about 1376.2036078871.

The spelling of 2606442066 in words is "two billion, six hundred six million, four hundred forty-two thousand, sixty-six".