8131476416 has 28 divisors (see below), whose sum is σ = 18441027888. Its totient is φ = 3484918272.

The previous prime is 8131476403. The next prime is 8131476461. The reversal of 8131476416 is 6146741318.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×8131476416² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9074861 + ... + 9075756.

Almost surely, 2^8131476416 is an apocalyptic number.

It is an amenable number.

8131476416 is an abundant number, since it is smaller than the sum of its proper divisors (10309551472).

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

8131476416 is a wasteful number, since it uses less digits than its factorization.

8131476416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150636 (or 18150626 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 8131476416 is about 90174.6994228425. The cubic root of 8131476416 is about 2010.8968890775.

The spelling of 8131476416 in words is "eight billion, one hundred thirty-one million, four hundred seventy-six thousand, four hundred sixteen".