149659112165 has 8 divisors (see below), whose sum is σ = 181442388120. Its totient is φ = 118492987392.

The previous prime is 149659112143. The next prime is 149659112171. The reversal of 149659112165 is 561211956941.

It is a Cunningham number, because it is equal to 386858²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 149659112164 = 1^2 + 386858^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149659112165 - 2⁶ = 149659112101 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 154287260 + ... + 154288229.

It is an arithmetic number, because the mean of its divisors is an integer number (22680298515).

Almost surely, 2^149659112165 is an apocalyptic number.

It is an amenable number.

149659112165 is a deficient number, since it is larger than the sum of its proper divisors (31783275955).

149659112165 is an equidigital number, since it uses as much as digits as its factorization.

149659112165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308575591.

The product of its digits is 583200, while the sum is 50.

The spelling of 149659112165 in words is "one hundred forty-nine billion, six hundred fifty-nine million, one hundred twelve thousand, one hundred sixty-five".