2660400226006 has 4 divisors (see below), whose sum is σ = 3990600339012. Its totient is φ = 1330200113002.

The previous prime is 2660400225979. The next prime is 2660400226039. The reversal of 2660400226006 is 6006220040662.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665100056500 + ... + 665100056503.

It is an arithmetic number, because the mean of its divisors is an integer number (997650084753).

Almost surely, 2^{2660400226006} is an apocalyptic number.

2660400226006 is a deficient number, since it is larger than the sum of its proper divisors (1330200113006).

2660400226006 is a wasteful number, since it uses less digits than its factorization.

2660400226006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330200113005.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 2660400226006 its reverse (6006220040662), we get a palindrome (8666620266668).

The spelling of 2660400226006 in words is "two trillion, six hundred sixty billion, four hundred million, two hundred twenty-six thousand, six".