126666303666622 has 8 divisors (see below), whose sum is σ = 189999503249400. Its totient is φ = 63333135916824.

The previous prime is 126666303666613. The next prime is 126666303666629. The reversal of 126666303666622 is 226666303666621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126666303666629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11881704 + ... + 19862212.

It is an arithmetic number, because the mean of its divisors is an integer number (23749937906175).

Almost surely, 2^{126666303666622} is an apocalyptic number.

126666303666622 is a deficient number, since it is larger than the sum of its proper divisors (63333199582778).

126666303666622 is an equidigital number, since it uses as much as digits as its factorization.

126666303666622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15916490.

The product of its (nonzero) digits is 120932352, while the sum is 61.

Subtracting 126666303666622 from its reverse (226666303666621), we obtain a palindrome (99999999999999).

The spelling of 126666303666622 in words is "one hundred twenty-six trillion, six hundred sixty-six billion, three hundred three million, six hundred sixty-six thousand, six hundred twenty-two".