51106816306 has 16 divisors (see below), whose sum is σ = 94351045824. Its totient is φ = 20218081104.

The previous prime is 51106816297. The next prime is 51106816357. The reversal of 51106816306 is 60361860115.

It is a super-2 number, since 2×51106816306² (a number of 22 digits) contains 22 as substring.

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, 140403160 + ... + 140403523.

It is an arithmetic number, because the mean of its divisors is an integer number (5896940364).

Almost surely, 2^51106816306 is an apocalyptic number.

51106816306 is a deficient number, since it is larger than the sum of its proper divisors (43244229518).

51106816306 is a wasteful number, since it uses less digits than its factorization.

51106816306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280806705.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 51106816306 in words is "fifty-one billion, one hundred six million, eight hundred sixteen thousand, three hundred six".