2671818012 has 36 divisors (see below), whose sum is σ = 6755732256. Its totient is φ = 890346240.

The previous prime is 2671818007. The next prime is 2671818047. The reversal of 2671818012 is 2108181762.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2671818012² = 14277222978495264288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145068 + ... + 162444.

Almost surely, 2^2671818012 is an apocalyptic number.

It is an amenable number.

2671818012 is an abundant number, since it is smaller than the sum of its proper divisors (4083914244).

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

2671818012 is a wasteful number, since it uses less digits than its factorization.

2671818012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21658 (or 21653 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 2671818012 is about 51689.6315715251. The cubic root of 2671818012 is about 1387.6149101812.

Adding to 2671818012 its reverse (2108181762), we get a palindrome (4779999774).

The spelling of 2671818012 in words is "two billion, six hundred seventy-one million, eight hundred eighteen thousand, twelve".