126006445161 has 12 divisors (see below), whose sum is σ = 192715739892. Its totient is φ = 79062867456.

The previous prime is 126006445111. The next prime is 126006445177. The reversal of 126006445161 is 161544600621.

126006445161 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 0 + 644 + 5 + 1 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 106239491136 + 19766954025 = 325944^2 + 140595^2 .

It is not a de Polignac number, because 126006445161 - 2⁹ = 126006444649 is a prime.

It is a super-2 number, since 2×126006445161² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126006445111) 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, 411785616 + ... + 411785921.

It is an arithmetic number, because the mean of its divisors is an integer number (16059644991).

Almost surely, 2^126006445161 is an apocalyptic number.

It is an amenable number.

126006445161 is a deficient number, since it is larger than the sum of its proper divisors (66709294731).

126006445161 is a wasteful number, since it uses less digits than its factorization.

126006445161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823571560 (or 823571557 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 126006445161 in words is "one hundred twenty-six billion, six million, four hundred forty-five thousand, one hundred sixty-one".