65660900527 has 2 divisors, whose sum is σ = 65660900528. Its totient is φ = 65660900526.

The previous prime is 65660900519. The next prime is 65660900531. The reversal of 65660900527 is 72500906656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65660900527 - 2³ = 65660900519 is a prime.

It is a super-2 number, since 2×65660900527² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65660400527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32830450263 + 32830450264.

It is an arithmetic number, because the mean of its divisors is an integer number (32830450264).

Almost surely, 2^65660900527 is an apocalyptic number.

65660900527 is a deficient number, since it is larger than the sum of its proper divisors (1).

65660900527 is an equidigital number, since it uses as much as digits as its factorization.

65660900527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 65660900527 in words is "sixty-five billion, six hundred sixty million, nine hundred thousand, five hundred twenty-seven".