2666962668 has 12 divisors (see below), whose sum is σ = 6222912920. Its totient is φ = 888987552.

The previous prime is 2666962657. The next prime is 2666962673. The reversal of 2666962668 is 8662696662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2666962668² = 14225379745011356448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111123433 + ... + 111123456.

Almost surely, 2^2666962668 is an apocalyptic number.

It is an amenable number.

2666962668 is an abundant number, since it is smaller than the sum of its proper divisors (3555950252).

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

2666962668 is a wasteful number, since it uses less digits than its factorization.

2666962668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222246896 (or 222246894 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 57.

The square root of 2666962668 is about 51642.6438904903. The cubic root of 2666962668 is about 1386.7738557684.

The spelling of 2666962668 in words is "two billion, six hundred sixty-six million, nine hundred sixty-two thousand, six hundred sixty-eight".