126680540016 has 20 divisors (see below), whose sum is σ = 327258061832. Its totient is φ = 42226846656.

The previous prime is 126680540003. The next prime is 126680540027. The reversal of 126680540016 is 610045086621.

It is a happy number.

126680540016 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319588911 + ... + 1319589006.

Almost surely, 2^126680540016 is an apocalyptic number.

126680540016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126680540016 is an abundant number, since it is smaller than the sum of its proper divisors (200577521816).

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

126680540016 is a wasteful number, since it uses less digits than its factorization.

126680540016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639177928 (or 2639177922 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 126680540016 in words is "one hundred twenty-six billion, six hundred eighty million, five hundred forty thousand, sixteen".