105664754623605 has 16 divisors (see below), whose sum is σ = 169085169071424. Its totient is φ = 56347348574720.

The previous prime is 105664754623591. The next prime is 105664754623607. The reversal of 105664754623605 is 506326457466501.

It is not a de Polignac number, because 105664754623605 - 2⁹ = 105664754623093 is a prime.

It is a super-2 number, since 2×105664754623605² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105664754623607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449079999 + ... + 449315228.

It is an arithmetic number, because the mean of its divisors is an integer number (10567823066964).

Almost surely, 2^{105664754623605} is an apocalyptic number.

105664754623605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105664754623605 is a deficient number, since it is larger than the sum of its proper divisors (63420414447819).

105664754623605 is an equidigital number, since it uses as much as digits as its factorization.

105664754623605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898403076.

The product of its (nonzero) digits is 108864000, while the sum is 60.

The spelling of 105664754623605 in words is "one hundred five trillion, six hundred sixty-four billion, seven hundred fifty-four million, six hundred twenty-three thousand, six hundred five".