126346643622 has 24 divisors (see below), whose sum is σ = 273961527840. Its totient is φ = 42083168400.

The previous prime is 126346643603. The next prime is 126346643623. The reversal of 126346643622 is 226346643621.

126346643622 is a `hidden beast` number, since 1 + 2 + 634 + 6 + 6 + 4 + 3 + 6 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126346643623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2674222 + ... + 2721057.

It is an arithmetic number, because the mean of its divisors is an integer number (11415063660).

Almost surely, 2^126346643622 is an apocalyptic number.

126346643622 is an abundant number, since it is smaller than the sum of its proper divisors (147614884218).

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

126346643622 is a wasteful number, since it uses less digits than its factorization.

126346643622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396588 (or 5396585 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

Subtracting 126346643622 from its reverse (226346643621), we obtain a palindrome (99999999999).

The spelling of 126346643622 in words is "one hundred twenty-six billion, three hundred forty-six million, six hundred forty-three thousand, six hundred twenty-two".