51671144684 has 24 divisors (see below), whose sum is σ = 94921037568. Its totient is φ = 24564301520.

The previous prime is 51671144669. The next prime is 51671144711. The reversal of 51671144684 is 48644117615.

51671144684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51671144684² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666202 + ... + 1696929.

It is an arithmetic number, because the mean of its divisors is an integer number (3955043232).

Almost surely, 2^51671144684 is an apocalyptic number.

It is an amenable number.

51671144684 is a deficient number, since it is larger than the sum of its proper divisors (43249892884).

51671144684 is a wasteful number, since it uses less digits than its factorization.

51671144684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363325 (or 3363323 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 51671144684 in words is "fifty-one billion, six hundred seventy-one million, one hundred forty-four thousand, six hundred eighty-four".