51610138668602 has 16 divisors (see below), whose sum is σ = 77436930932352. Its totient is φ = 25797828694320.

The previous prime is 51610138668577. The next prime is 51610138668619. The reversal of 51610138668602 is 20686683101615.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545670188 + ... + 545764760.

It is an arithmetic number, because the mean of its divisors is an integer number (4839808183272).

Almost surely, 2^{51610138668602} is an apocalyptic number.

51610138668602 is a deficient number, since it is larger than the sum of its proper divisors (25826792263750).

51610138668602 is a wasteful number, since it uses less digits than its factorization.

51610138668602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168253.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 51610138668602 in words is "fifty-one trillion, six hundred ten billion, one hundred thirty-eight million, six hundred sixty-eight thousand, six hundred two".