51631061363606 has 16 divisors (see below), whose sum is σ = 77455641817008. Its totient is φ = 25812514291200.

The previous prime is 51631061363579. The next prime is 51631061363671. The reversal of 51631061363606 is 60636316013615.

It is a congruent number.

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, 1036514441 + ... + 1036564251.

It is an arithmetic number, because the mean of its divisors is an integer number (4840977613563).

Almost surely, 2^{51631061363606} is an apocalyptic number.

51631061363606 is a deficient number, since it is larger than the sum of its proper divisors (25824580453402).

51631061363606 is a wasteful number, since it uses less digits than its factorization.

51631061363606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99967.

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 51631061363606 in words is "fifty-one trillion, six hundred thirty-one billion, sixty-one million, three hundred sixty-three thousand, six hundred six".