2666461206 has 16 divisors (see below), whose sum is σ = 5385724848. Its totient is φ = 880020000.

The previous prime is 2666461157. The next prime is 2666461211. The reversal of 2666461206 is 6021646662.

It is a super-2 number, since 2×2666461206² = 14220030726205948872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199445 + ... + 2200656.

It is an arithmetic number, because the mean of its divisors is an integer number (336607803).

Almost surely, 2^2666461206 is an apocalyptic number.

2666461206 is an abundant number, since it is smaller than the sum of its proper divisors (2719263642).

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

2666461206 is a wasteful number, since it uses less digits than its factorization.

2666461206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400207.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 2666461206 is about 51637.7885467610. The cubic root of 2666461206 is about 1386.6869331691.

The spelling of 2666461206 in words is "two billion, six hundred sixty-six million, four hundred sixty-one thousand, two hundred six".