102641666051 has 2 divisors, whose sum is σ = 102641666052. Its totient is φ = 102641666050.

The previous prime is 102641666041. The next prime is 102641666053. The reversal of 102641666051 is 150666146201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102641666051 - 2²² = 102637471747 is a prime.

Together with 102641666053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102641665996 and 102641666014.

It is not a weakly prime, because it can be changed into another prime (102641666053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51320833025 + 51320833026.

It is an arithmetic number, because the mean of its divisors is an integer number (51320833026).

Almost surely, 2^102641666051 is an apocalyptic number.

102641666051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102641666051 is an equidigital number, since it uses as much as digits as its factorization.

102641666051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 102641666051 in words is "one hundred two billion, six hundred forty-one million, six hundred sixty-six thousand, fifty-one".