51363166643363 has 8 divisors (see below), whose sum is σ = 54067969686720. Its totient is φ = 48658511448360.

The previous prime is 51363166643351. The next prime is 51363166643419. The reversal of 51363166643363 is 36334666136315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51363166643363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51363166643299 and 51363166643308.

It is not an unprimeable number, because it can be changed into a prime (51363166643263) 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, 36248633 + ... + 37638938.

It is an arithmetic number, because the mean of its divisors is an integer number (6758496210840).

Almost surely, 2^{51363166643363} is an apocalyptic number.

51363166643363 is a deficient number, since it is larger than the sum of its proper divisors (2704803043357).

51363166643363 is a wasteful number, since it uses less digits than its factorization.

51363166643363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73924177.

The product of its digits is 37791360, while the sum is 56.

The spelling of 51363166643363 in words is "fifty-one trillion, three hundred sixty-three billion, one hundred sixty-six million, six hundred forty-three thousand, three hundred sixty-three".