126566370546 has 48 divisors (see below), whose sum is σ = 321229683360. Its totient is φ = 32874381120.

The previous prime is 126566370503. The next prime is 126566370583. The reversal of 126566370546 is 645073665621.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19564851 + ... + 19571318.

It is an arithmetic number, because the mean of its divisors is an integer number (6692285070).

Almost surely, 2^126566370546 is an apocalyptic number.

126566370546 is an abundant number, since it is smaller than the sum of its proper divisors (194663312814).

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

126566370546 is a wasteful number, since it uses less digits than its factorization.

126566370546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39136199 (or 39136192 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 126566370546 in words is "one hundred twenty-six billion, five hundred sixty-six million, three hundred seventy thousand, five hundred forty-six".