216364552127 has 2 divisors, whose sum is σ = 216364552128. Its totient is φ = 216364552126.

The previous prime is 216364552069. The next prime is 216364552147. The reversal of 216364552127 is 721255463612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216364552127 - 2¹⁰ = 216364551103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216364552147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108182276063 + 108182276064.

It is an arithmetic number, because the mean of its divisors is an integer number (108182276064).

Almost surely, 2^216364552127 is an apocalyptic number.

216364552127 is a deficient number, since it is larger than the sum of its proper divisors (1).

216364552127 is an equidigital number, since it uses as much as digits as its factorization.

216364552127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The spelling of 216364552127 in words is "two hundred sixteen billion, three hundred sixty-four million, five hundred fifty-two thousand, one hundred twenty-seven".