106665103529161 has 4 divisors (see below), whose sum is σ = 107950225258512. Its totient is φ = 105379981799812.

The previous prime is 106665103529147. The next prime is 106665103529239. The reversal of 106665103529161 is 161925301566601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106665103529161 - 2⁹ = 106665103528649 is a prime.

It is a super-2 number, since 2×106665103529161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106665103529099 and 106665103529108.

It is not an unprimeable number, because it can be changed into a prime (106665103529141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642560864551 + ... + 642560864716.

It is an arithmetic number, because the mean of its divisors is an integer number (26987556314628).

Almost surely, 2^{106665103529161} is an apocalyptic number.

It is an amenable number.

106665103529161 is a deficient number, since it is larger than the sum of its proper divisors (1285121729351).

106665103529161 is an equidigital number, since it uses as much as digits as its factorization.

106665103529161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285121729350.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 106665103529161 in words is "one hundred six trillion, six hundred sixty-five billion, one hundred three million, five hundred twenty-nine thousand, one hundred sixty-one".