2661044676 has 12 divisors (see below), whose sum is σ = 6209104272. Its totient is φ = 887014888.

The previous prime is 2661044671. The next prime is 2661044717. The reversal of 2661044676 is 6764401662.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2661044671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110876850 + ... + 110876873.

It is an arithmetic number, because the mean of its divisors is an integer number (517425356).

Almost surely, 2^2661044676 is an apocalyptic number.

It is an amenable number.

2661044676 is an abundant number, since it is smaller than the sum of its proper divisors (3548059596).

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

2661044676 is a wasteful number, since it uses less digits than its factorization.

2661044676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221753730 (or 221753728 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 2661044676 is about 51585.3145381513. The cubic root of 2661044676 is about 1385.7473454036.

The spelling of 2661044676 in words is "two billion, six hundred sixty-one million, forty-four thousand, six hundred seventy-six".