2661273068 has 12 divisors (see below), whose sum is σ = 4674042912. Its totient is φ = 1325832240.

The previous prime is 2661273037. The next prime is 2661273113. The reversal of 2661273068 is 8603721662.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 1199828 + ... + 1202043.

It is an arithmetic number, because the mean of its divisors is an integer number (389503576).

Almost surely, 2^2661273068 is an apocalyptic number.

It is an amenable number.

2661273068 is a deficient number, since it is larger than the sum of its proper divisors (2012769844).

2661273068 is a wasteful number, since it uses less digits than its factorization.

2661273068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402152 (or 2402150 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2661273068 is about 51587.5282214607. The cubic root of 2661273068 is about 1385.7869895524.

The spelling of 2661273068 in words is "two billion, six hundred sixty-one million, two hundred seventy-three thousand, sixty-eight".