126251660304660 has 192 divisors, whose sum is σ = 394151969562624. Its totient is φ = 29938325952000.

The previous prime is 126251660304619. The next prime is 126251660304661. The reversal of 126251660304660 is 66403066152621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126251660304661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5876644 + ... + 16942203.

It is an arithmetic number, because the mean of its divisors is an integer number (2052874841472).

Almost surely, 2^{126251660304660} is an apocalyptic number.

126251660304660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126251660304660 is an abundant number, since it is smaller than the sum of its proper divisors (267900309257964).

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

126251660304660 is a wasteful number, since it uses less digits than its factorization.

126251660304660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22819054 (or 22819052 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 126251660304660 in words is "one hundred twenty-six trillion, two hundred fifty-one billion, six hundred sixty million, three hundred four thousand, six hundred sixty".