66160016552527 has 2 divisors, whose sum is σ = 66160016552528. Its totient is φ = 66160016552526.

The previous prime is 66160016552449. The next prime is 66160016552573. The reversal of 66160016552527 is 72525561006166.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66160016552527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66160016552627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33080008276263 + 33080008276264.

It is an arithmetic number, because the mean of its divisors is an integer number (33080008276264).

Almost surely, 2^{66160016552527} is an apocalyptic number.

66160016552527 is a deficient number, since it is larger than the sum of its proper divisors (1).

66160016552527 is an equidigital number, since it uses as much as digits as its factorization.

66160016552527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 66160016552527 in words is "sixty-six trillion, one hundred sixty billion, sixteen million, five hundred fifty-two thousand, five hundred twenty-seven".