51534260668 has 12 divisors (see below), whose sum is σ = 98383588632. Its totient is φ = 23424663920.

The previous prime is 51534260639. The next prime is 51534260669. The reversal of 51534260668 is 86606243515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51534260669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585616555 + ... + 585616642.

It is an arithmetic number, because the mean of its divisors is an integer number (8198632386).

Almost surely, 2^51534260668 is an apocalyptic number.

It is an amenable number.

51534260668 is a deficient number, since it is larger than the sum of its proper divisors (46849327964).

51534260668 is a wasteful number, since it uses less digits than its factorization.

51534260668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171233212 (or 1171233210 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 51534260668 in words is "fifty-one billion, five hundred thirty-four million, two hundred sixty thousand, six hundred sixty-eight".