6671626731 has 144 divisors (see below), whose sum is σ = 12937899520. Its totient is φ = 3233260800.

The previous prime is 6671626699. The next prime is 6671626733. The reversal of 6671626731 is 1376261766.

It is not a de Polignac number, because 6671626731 - 2⁵ = 6671626699 is a prime.

It is a super-2 number, since 2×6671626731² = 89021206475587492722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6671626733) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 10572786 + ... + 10573416.

Almost surely, 2^6671626731 is an apocalyptic number.

6671626731 is a deficient number, since it is larger than the sum of its proper divisors (6266272789).

6671626731 is a wasteful number, since it uses less digits than its factorization.

6671626731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 744 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 6671626731 is about 81680.0265119937. The cubic root of 6671626731 is about 1882.5387019762.

The spelling of 6671626731 in words is "six billion, six hundred seventy-one million, six hundred twenty-six thousand, seven hundred thirty-one".