126641237688 has 96 divisors (see below), whose sum is σ = 394016095200. Its totient is φ = 35995705344.

The previous prime is 126641237669. The next prime is 126641237711. The reversal of 126641237688 is 886732146621.

It is a happy number.

126641237688 is a `hidden beast` number, since 1 + 266 + 4 + 1 + 2 + 376 + 8 + 8 = 666.

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 23 ways as a sum of consecutive naturals, for example, 553693 + ... + 748236.

It is an arithmetic number, because the mean of its divisors is an integer number (4104334325).

Almost surely, 2^126641237688 is an apocalyptic number.

126641237688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126641237688 is an abundant number, since it is smaller than the sum of its proper divisors (267374857512).

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

126641237688 is a wasteful number, since it uses less digits than its factorization.

126641237688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302141 (or 1302134 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 126641237688 in words is "one hundred twenty-six billion, six hundred forty-one million, two hundred thirty-seven thousand, six hundred eighty-eight".