51655151165066 has 8 divisors (see below), whose sum is σ = 77804231838564. Its totient is φ = 25720407218880.

The previous prime is 51655151165047. The next prime is 51655151165141. The reversal of 51655151165066 is 66056115155615.

It can be written as a sum of positive squares in 2 ways, for example, as 49477563972841 + 2177587192225 = 7034029^2 + 1475665^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 51655151164999 and 51655151165017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53584181225 + ... + 53584182188.

Almost surely, 2^{51655151165066} is an apocalyptic number.

51655151165066 is a deficient number, since it is larger than the sum of its proper divisors (26149080673498).

51655151165066 is a wasteful number, since it uses less digits than its factorization.

51655151165066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107168363656.

The product of its (nonzero) digits is 4050000, while the sum is 53.

The spelling of 51655151165066 in words is "fifty-one trillion, six hundred fifty-five billion, one hundred fifty-one million, one hundred sixty-five thousand, sixty-six".