51465346366 has 16 divisors (see below), whose sum is σ = 89543120256. Its totient is φ = 21727373976.

The previous prime is 51465346351. The next prime is 51465346483. The reversal of 51465346366 is 66364356415.

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, 27432616 + ... + 27434491.

It is an arithmetic number, because the mean of its divisors is an integer number (5596445016).

Almost surely, 2^51465346366 is an apocalyptic number.

51465346366 is a deficient number, since it is larger than the sum of its proper divisors (38077773890).

51465346366 is a wasteful number, since it uses less digits than its factorization.

51465346366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54867183.

The product of its digits is 4665600, while the sum is 49.

It can be divided in two parts, 5146534 and 6366, that added together give a square (5152900 = 2270²).

The spelling of 51465346366 in words is "fifty-one billion, four hundred sixty-five million, three hundred forty-six thousand, three hundred sixty-six".