126643011422576 has 160 divisors (see below), whose sum is σ = 278003143535040. Its totient is φ = 55383500390400.

The previous prime is 126643011422497. The next prime is 126643011422677. The reversal of 126643011422576 is 675224110346621.

It is a super-2 number, since 2×126643011422576² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 4832029760 + ... + 4832055968.

It is an arithmetic number, because the mean of its divisors is an integer number (1737519647094).

Almost surely, 2^{126643011422576} is an apocalyptic number.

126643011422576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126643011422576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139001571767520).

126643011422576 is an abundant number, since it is smaller than the sum of its proper divisors (151360132112464).

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

126643011422576 is a wasteful number, since it uses less digits than its factorization.

126643011422576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35515 (or 35509 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 126643011422576 in words is "one hundred twenty-six trillion, six hundred forty-three billion, eleven million, four hundred twenty-two thousand, five hundred seventy-six".