126888443616 has 48 divisors (see below), whose sum is σ = 363362364288. Its totient is φ = 38451043200.

The previous prime is 126888443609. The next prime is 126888443659. The reversal of 126888443616 is 616344888621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×126888443616² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60078700 + ... + 60080811.

It is an arithmetic number, because the mean of its divisors is an integer number (7570049256).

Almost surely, 2^126888443616 is an apocalyptic number.

126888443616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126888443616 is an abundant number, since it is smaller than the sum of its proper divisors (236473920672).

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

126888443616 is a wasteful number, since it uses less digits than its factorization.

126888443616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120159535 (or 120159527 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 57.

The spelling of 126888443616 in words is "one hundred twenty-six billion, eight hundred eighty-eight million, four hundred forty-three thousand, six hundred sixteen".