106645685563 has 2 divisors, whose sum is σ = 106645685564. Its totient is φ = 106645685562.

The previous prime is 106645685537. The next prime is 106645685579. The reversal of 106645685563 is 365586546601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106645685563 - 2⁹ = 106645685051 is a prime.

It is a super-2 number, since 2×106645685563² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106640685563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53322842781 + 53322842782.

It is an arithmetic number, because the mean of its divisors is an integer number (53322842782).

Almost surely, 2^106645685563 is an apocalyptic number.

106645685563 is a deficient number, since it is larger than the sum of its proper divisors (1).

106645685563 is an equidigital number, since it uses as much as digits as its factorization.

106645685563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 106645685563 in words is "one hundred six billion, six hundred forty-five million, six hundred eighty-five thousand, five hundred sixty-three".