2666949106 has 16 divisors (see below), whose sum is σ = 4123737216. Its totient is φ = 1292900656.

The previous prime is 2666949101. The next prime is 2666949119. The reversal of 2666949106 is 6019496662.

It is a super-2 number, since 2×2666949106² = 14225235067988398472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2666949106.

It is not an unprimeable number, because it can be changed into a prime (2666949101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122521 + ... + 142636.

It is an arithmetic number, because the mean of its divisors is an integer number (257733576).

Almost surely, 2^2666949106 is an apocalyptic number.

2666949106 is a deficient number, since it is larger than the sum of its proper divisors (1456788110).

2666949106 is a wasteful number, since it uses less digits than its factorization.

2666949106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265313.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 2666949106 is about 51642.5125841104. The cubic root of 2666949106 is about 1386.7715050969.

The spelling of 2666949106 in words is "two billion, six hundred sixty-six million, nine hundred forty-nine thousand, one hundred six".