3157126668 has 36 divisors (see below), whose sum is σ = 7982239720. Its totient is φ = 1052148096.

The previous prime is 3157126619. The next prime is 3157126681. The reversal of 3157126668 is 8666217513.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283143 + ... + 294081.

Almost surely, 2^3157126668 is an apocalyptic number.

It is an amenable number.

3157126668 is an abundant number, since it is smaller than the sum of its proper divisors (4825113052).

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

3157126668 is a wasteful number, since it uses less digits than its factorization.

3157126668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18966 (or 18961 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 3157126668 is about 56188.3143367017. The cubic root of 3157126668 is about 1467.0018749201.

The spelling of 3157126668 in words is "three billion, one hundred fifty-seven million, one hundred twenty-six thousand, six hundred sixty-eight".