1660616200127 has 2 divisors, whose sum is σ = 1660616200128. Its totient is φ = 1660616200126.

The previous prime is 1660616200121. The next prime is 1660616200163. The reversal of 1660616200127 is 7210026160661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1660616200127 - 2³² = 1656321232831 is a prime.

It is a super-2 number, since 2×1660616200127² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660616200121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830308100063 + 830308100064.

It is an arithmetic number, because the mean of its divisors is an integer number (830308100064).

Almost surely, 2^{1660616200127} is an apocalyptic number.

1660616200127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660616200127 is an equidigital number, since it uses as much as digits as its factorization.

1660616200127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 1660616200127 in words is "one trillion, six hundred sixty billion, six hundred sixteen million, two hundred thousand, one hundred twenty-seven".