5165578946327 has 2 divisors, whose sum is σ = 5165578946328. Its totient is φ = 5165578946326.

The previous prime is 5165578946249. The next prime is 5165578946351. The reversal of 5165578946327 is 7236498755615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5165578946327 - 2¹⁴ = 5165578929943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165578949327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582789473163 + 2582789473164.

It is an arithmetic number, because the mean of its divisors is an integer number (2582789473164).

Almost surely, 2^{5165578946327} is an apocalyptic number.

5165578946327 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165578946327 is an equidigital number, since it uses as much as digits as its factorization.

5165578946327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024000, while the sum is 68.

The spelling of 5165578946327 in words is "five trillion, one hundred sixty-five billion, five hundred seventy-eight million, nine hundred forty-six thousand, three hundred twenty-seven".