2665104012 has 24 divisors (see below), whose sum is σ = 6909529200. Its totient is φ = 888367968.

The previous prime is 2665104011. The next prime is 2665104037. The reversal of 2665104012 is 2104015662.

2665104012 is a `hidden beast` number, since 2 + 6 + 651 + 0 + 4 + 0 + 1 + 2 = 666.

It is a super-2 number, since 2×2665104012² = 14205558789556992288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2665104011) 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, 12338337 + ... + 12338552.

It is an arithmetic number, because the mean of its divisors is an integer number (287897050).

Almost surely, 2^2665104012 is an apocalyptic number.

It is an amenable number.

2665104012 is an abundant number, since it is smaller than the sum of its proper divisors (4244425188).

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

2665104012 is a wasteful number, since it uses less digits than its factorization.

2665104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24676902 (or 24676894 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2665104012 is about 51624.6453934552. The cubic root of 2665104012 is about 1386.4516247165.

Adding to 2665104012 its reverse (2104015662), we get a palindrome (4769119674).

The spelling of 2665104012 in words is "two billion, six hundred sixty-five million, one hundred four thousand, twelve".