51616217005222 has 16 divisors (see below), whose sum is σ = 77644745879040. Its totient is φ = 25734652174728.

The previous prime is 51616217005181. The next prime is 51616217005273. The reversal of 51616217005222 is 22250071261615.

It is a happy number.

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, 1754743 + ... + 10310749.

It is an arithmetic number, because the mean of its divisors is an integer number (4852796617440).

Almost surely, 2^{51616217005222} is an apocalyptic number.

51616217005222 is a deficient number, since it is larger than the sum of its proper divisors (26028528873818).

51616217005222 is a wasteful number, since it uses less digits than its factorization.

51616217005222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564595.

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 51616217005222 its reverse (22250071261615), we get a palindrome (73866288266837).

The spelling of 51616217005222 in words is "fifty-one trillion, six hundred sixteen billion, two hundred seventeen million, five thousand, two hundred twenty-two".