3666266122626 has 24 divisors (see below), whose sum is σ = 7943657033520. Its totient is φ = 1222076333016.

The previous prime is 3666266122621. The next prime is 3666266122667. The reversal of 3666266122626 is 6262216626663.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3666266122621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892845 + ... + 2851263.

It is an arithmetic number, because the mean of its divisors is an integer number (330985709730).

Almost surely, 2^{3666266122626} is an apocalyptic number.

3666266122626 is an abundant number, since it is smaller than the sum of its proper divisors (4277390910894).

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

3666266122626 is a wasteful number, since it uses less digits than its factorization.

3666266122626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062430 (or 2062427 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 54.

The spelling of 3666266122626 in words is "three trillion, six hundred sixty-six billion, two hundred sixty-six million, one hundred twenty-two thousand, six hundred twenty-six".