51616113226 has 16 divisors (see below), whose sum is σ = 78307134408. Its totient is φ = 25514496000.

The previous prime is 51616113209. The next prime is 51616113229. The reversal of 51616113226 is 62231161615.

It can be written as a sum of positive squares in 4 ways, for example, as 49952697001 + 1663416225 = 223501^2 + 40785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51616113191 and 51616113200.

It is not an unprimeable number, because it can be changed into a prime (51616113229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53895 + ... + 325786.

Almost surely, 2^51616113226 is an apocalyptic number.

51616113226 is a deficient number, since it is larger than the sum of its proper divisors (26691021182).

51616113226 is a wasteful number, since it uses less digits than its factorization.

51616113226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380457.

The product of its digits is 12960, while the sum is 34.

The spelling of 51616113226 in words is "fifty-one billion, six hundred sixteen million, one hundred thirteen thousand, two hundred twenty-six".