2668602066 has 16 divisors (see below), whose sum is σ = 5747758464. Its totient is φ = 821108304.

The previous prime is 2668602043. The next prime is 2668602073. The reversal of 2668602066 is 6602068662.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17106346 + ... + 17106501.

It is an arithmetic number, because the mean of its divisors is an integer number (359234904).

Almost surely, 2^2668602066 is an apocalyptic number.

2668602066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2668602066 is an abundant number, since it is smaller than the sum of its proper divisors (3079156398).

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

2668602066 is a wasteful number, since it uses less digits than its factorization.

2668602066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34212865.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 2668602066 is about 51658.5139739811. The cubic root of 2668602066 is about 1387.0579503094.

The spelling of 2668602066 in words is "two billion, six hundred sixty-eight million, six hundred two thousand, sixty-six".