126667566300 has 144 divisors (see below), whose sum is σ = 401572547712. Its totient is φ = 30571833600.

The previous prime is 126667566271. The next prime is 126667566329. The reversal of 126667566300 is 3665766621.

It is an interprime number because it is at equal distance from previous prime (126667566271) and next prime (126667566329).

It is a self number, because there is not a number n which added to its sum of digits gives 126667566300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 664554 + ... + 833646.

It is an arithmetic number, because the mean of its divisors is an integer number (2788698248).

Almost surely, 2^126667566300 is an apocalyptic number.

126667566300 is a gapful number since it is divisible by the number (10) 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 126667566300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200786273856).

126667566300 is an abundant number, since it is smaller than the sum of its proper divisors (274904981412).

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

126667566300 is a wasteful number, since it uses less digits than its factorization.

126667566300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169348 (or 169341 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 126667566300 in words is "one hundred twenty-six billion, six hundred sixty-seven million, five hundred sixty-six thousand, three hundred".