126850906818 has 40 divisors (see below), whose sum is σ = 284382912000. Its totient is φ = 42262375320.

The previous prime is 126850906801. The next prime is 126850906879. The reversal of 126850906818 is 818609058621.

It is a happy number.

126850906818 is a `hidden beast` number, since 1 + 2 + 68 + 509 + 0 + 68 + 18 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127983 + ... + 519693.

It is an arithmetic number, because the mean of its divisors is an integer number (7109572800).

Almost surely, 2^126850906818 is an apocalyptic number.

126850906818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126850906818 is an abundant number, since it is smaller than the sum of its proper divisors (157532005182).

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

126850906818 is a wasteful number, since it uses less digits than its factorization.

126850906818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393724 (or 393715 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 126850906818 in words is "one hundred twenty-six billion, eight hundred fifty million, nine hundred six thousand, eight hundred eighteen".