126607849506 has 24 divisors (see below), whose sum is σ = 283776215580. Its totient is φ = 40747353696.

The previous prime is 126607849471. The next prime is 126607849559. The reversal of 126607849506 is 605948706621.

126607849506 is a `hidden beast` number, since 1 + 2 + 6 + 60 + 78 + 4 + 9 + 506 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124753772025 + 1854077481 = 353205^2 + 43059^2 .

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 11 ways as a sum of consecutive naturals, for example, 121271365 + ... + 121272408.

Almost surely, 2^126607849506 is an apocalyptic number.

126607849506 is an abundant number, since it is smaller than the sum of its proper divisors (157168366074).

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

126607849506 is a wasteful number, since it uses less digits than its factorization.

126607849506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242543810 (or 242543807 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 126607849506 in words is "one hundred twenty-six billion, six hundred seven million, eight hundred forty-nine thousand, five hundred six".