106506165613 has 2 divisors, whose sum is σ = 106506165614. Its totient is φ = 106506165612.

The previous prime is 106506165611. The next prime is 106506165671. The reversal of 106506165613 is 316561605601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95321622564 + 11184543049 = 308742^2 + 105757^2 .

It is a cyclic number.

It is not a de Polignac number, because 106506165613 - 2¹ = 106506165611 is a prime.

It is a super-2 number, since 2×106506165613² (a number of 23 digits) contains 22 as substring.

Together with 106506165611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106506165611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53253082806 + 53253082807.

It is an arithmetic number, because the mean of its divisors is an integer number (53253082807).

Almost surely, 2^106506165613 is an apocalyptic number.

It is an amenable number.

106506165613 is a deficient number, since it is larger than the sum of its proper divisors (1).

106506165613 is an equidigital number, since it uses as much as digits as its factorization.

106506165613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 106506165613 in words is "one hundred six billion, five hundred six million, one hundred sixty-five thousand, six hundred thirteen".