126544174368 has 192 divisors, whose sum is σ = 346350090240. Its totient is φ = 40425735168.

The previous prime is 126544174313. The next prime is 126544174373. The reversal of 126544174368 is 863471445621.

It is a self number, because there is not a number n which added to its sum of digits gives 126544174368.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56416255 + ... + 56418497.

It is an arithmetic number, because the mean of its divisors is an integer number (1803906720).

Almost surely, 2^126544174368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126544174368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173175045120).

126544174368 is an abundant number, since it is smaller than the sum of its proper divisors (219805915872).

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

126544174368 is a wasteful number, since it uses less digits than its factorization.

126544174368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2543 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The spelling of 126544174368 in words is "one hundred twenty-six billion, five hundred forty-four million, one hundred seventy-four thousand, three hundred sixty-eight".