106599373865 has 4 divisors (see below), whose sum is σ = 127919248644. Its totient is φ = 85279499088.

The previous prime is 106599373847. The next prime is 106599373913. The reversal of 106599373865 is 568373995601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27009936409 + 79589437456 = 164347^2 + 282116^2 .

It is a cyclic number.

It is not a de Polignac number, because 106599373865 - 2¹⁸ = 106599111721 is a prime.

It is a super-2 number, since 2×106599373865² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 106599373798 and 106599373807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10659937382 + ... + 10659937391.

It is an arithmetic number, because the mean of its divisors is an integer number (31979812161).

Almost surely, 2^106599373865 is an apocalyptic number.

It is an amenable number.

106599373865 is a deficient number, since it is larger than the sum of its proper divisors (21319874779).

106599373865 is an equidigital number, since it uses as much as digits as its factorization.

106599373865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319874778.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 106599373865 in words is "one hundred six billion, five hundred ninety-nine million, three hundred seventy-three thousand, eight hundred sixty-five".