51662327620256 has 24 divisors (see below), whose sum is σ = 101723219406900. Its totient is φ = 25827859199488.

The previous prime is 51662327620133. The next prime is 51662327620259. The reversal of 51662327620256 is 65202672326615.

It can be written as a sum of positive squares in 2 ways, for example, as 51463693392400 + 198634227856 = 7173820^2 + 445684^2 .

It is a super-3 number, since 3×51662327620256³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 51662327620198 and 51662327620207.

It is not an unprimeable number, because it can be changed into a prime (51662327620259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103015031 + ... + 103515318.

Almost surely, 2^{51662327620256} is an apocalyptic number.

It is an amenable number.

51662327620256 is a deficient number, since it is larger than the sum of its proper divisors (50060891786644).

51662327620256 is a wasteful number, since it uses less digits than its factorization.

51662327620256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206538176 (or 206538168 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 51662327620256 in words is "fifty-one trillion, six hundred sixty-two billion, three hundred twenty-seven million, six hundred twenty thousand, two hundred fifty-six".