84216648565151 has 2 divisors, whose sum is σ = 84216648565152. Its totient is φ = 84216648565150.

The previous prime is 84216648565097. The next prime is 84216648565187. The reversal of 84216648565151 is 15156584661248.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84216648565151 is a prime.

It is a super-2 number, since 2×84216648565151² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84216648585151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42108324282575 + 42108324282576.

It is an arithmetic number, because the mean of its divisors is an integer number (42108324282576).

Almost surely, 2^{84216648565151} is an apocalyptic number.

84216648565151 is a deficient number, since it is larger than the sum of its proper divisors (1).

84216648565151 is an equidigital number, since it uses as much as digits as its factorization.

84216648565151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296000, while the sum is 62.

The spelling of 84216648565151 in words is "eighty-four trillion, two hundred sixteen billion, six hundred forty-eight million, five hundred sixty-five thousand, one hundred fifty-one".