106645685959 has 2 divisors, whose sum is σ = 106645685960. Its totient is φ = 106645685958.

The previous prime is 106645685957. The next prime is 106645686023. The reversal of 106645685959 is 959586546601.

It is an a-pointer prime, because the next prime (106645686023) can be obtained adding 106645685959 to its sum of digits (64).

It is a weak prime.

It is an emirp because it is prime and its reverse (959586546601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106645685959 - 2¹ = 106645685957 is a prime.

It is a super-2 number, since 2×106645685959² (a number of 23 digits) contains 22 as substring.

Together with 106645685957, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 106645685959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106645685957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53322842979 + 53322842980.

It is an arithmetic number, because the mean of its divisors is an integer number (53322842980).

Almost surely, 2^106645685959 is an apocalyptic number.

106645685959 is a deficient number, since it is larger than the sum of its proper divisors (1).

106645685959 is an equidigital number, since it uses as much as digits as its factorization.

106645685959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984000, while the sum is 64.

The spelling of 106645685959 in words is "one hundred six billion, six hundred forty-five million, six hundred eighty-five thousand, nine hundred fifty-nine".