126316688166 has 24 divisors (see below), whose sum is σ = 283822683144. Its totient is φ = 42105562560.

The previous prime is 126316688161. The next prime is 126316688177. The reversal of 126316688166 is 661886613621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126316688161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129954955 + ... + 129955926.

It is an arithmetic number, because the mean of its divisors is an integer number (11825945131).

Almost surely, 2^126316688166 is an apocalyptic number.

126316688166 is an abundant number, since it is smaller than the sum of its proper divisors (157505994978).

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

126316688166 is an equidigital number, since it uses as much as digits as its factorization.

126316688166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259910898 (or 259910886 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 126316688166 in words is "one hundred twenty-six billion, three hundred sixteen million, six hundred eighty-eight thousand, one hundred sixty-six".