65616127 has 2 divisors, whose sum is σ = 65616128. Its totient is φ = 65616126.

The previous prime is 65616007. The next prime is 65616149. The reversal of 65616127 is 72161656.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65616127 - 2¹⁹ = 65091839 is a prime.

It is a super-2 number, since 2×65616127² = 8610952244960258, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65616092 and 65616101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65616157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32808063 + 32808064.

It is an arithmetic number, because the mean of its divisors is an integer number (32808064).

Almost surely, 2^65616127 is an apocalyptic number.

65616127 is a deficient number, since it is larger than the sum of its proper divisors (1).

65616127 is an equidigital number, since it uses as much as digits as its factorization.

65616127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 65616127 is about 8100.3782010472. The cubic root of 65616127 is about 403.3389816996.

The spelling of 65616127 in words is "sixty-five million, six hundred sixteen thousand, one hundred twenty-seven".