126673564580 has 48 divisors (see below), whose sum is σ = 267646546944. Its totient is φ = 50359034880.

The previous prime is 126673564573. The next prime is 126673564607. The reversal of 126673564580 is 85465376621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4428404 + ... + 4456916.

It is an arithmetic number, because the mean of its divisors is an integer number (5575969728).

Almost surely, 2^126673564580 is an apocalyptic number.

126673564580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126673564580 is an abundant number, since it is smaller than the sum of its proper divisors (140972982364).

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

126673564580 is a wasteful number, since it uses less digits than its factorization.

126673564580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29876 (or 29874 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 126673564580 in words is "one hundred twenty-six billion, six hundred seventy-three million, five hundred sixty-four thousand, five hundred eighty".