2666664246 has 16 divisors (see below), whose sum is σ = 5334727104. Its totient is φ = 888654984.

The previous prime is 2666664233. The next prime is 2666664257. The reversal of 2666664246 is 6424666662.

2666664246 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2666664246² = 14222196401789497032, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2666664195 and 2666664204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32620 + ... + 79983.

It is an arithmetic number, because the mean of its divisors is an integer number (333420444).

Almost surely, 2^2666664246 is an apocalyptic number.

2666664246 is an abundant number, since it is smaller than the sum of its proper divisors (2668062858).

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

2666664246 is a wasteful number, since it uses less digits than its factorization.

2666664246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116555.

The product of its digits is 2985984, while the sum is 48.

The square root of 2666664246 is about 51639.7545114227. The cubic root of 2666664246 is about 1386.7221291020.

The spelling of 2666664246 in words is "two billion, six hundred sixty-six million, six hundred sixty-four thousand, two hundred forty-six".