105618697 has 4 divisors (see below), whose sum is σ = 105655680. Its totient is φ = 105581716.

The previous prime is 105618679. The next prime is 105618763. The reversal of 105618697 is 796816501.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 796816501 = 13 ⋅61293577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105618697 is a prime.

It is a super-2 number, since 2×105618697² = 22310618311955618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102618697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13813 + ... + 20050.

It is an arithmetic number, because the mean of its divisors is an integer number (26413920).

Almost surely, 2^105618697 is an apocalyptic number.

It is an amenable number.

105618697 is a deficient number, since it is larger than the sum of its proper divisors (36983).

105618697 is an equidigital number, since it uses as much as digits as its factorization.

105618697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36982.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 105618697 is about 10277.0957473403. The cubic root of 105618697 is about 472.6941945061.

The spelling of 105618697 in words is "one hundred five million, six hundred eighteen thousand, six hundred ninety-seven".