209324157106 has 8 divisors (see below), whose sum is σ = 315103625244. Its totient is φ = 104289615360.

The previous prime is 209324157089. The next prime is 209324157169. The reversal of 209324157106 is 601751423902.

It is a happy number.

209324157106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 203288265625 + 6035891481 = 450875^2 + 77691^2 .

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

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, 186230895 + ... + 186232018.

Almost surely, 2^209324157106 is an apocalyptic number.

209324157106 is a deficient number, since it is larger than the sum of its proper divisors (105779468138).

209324157106 is a wasteful number, since it uses less digits than its factorization.

209324157106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372463196.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 209324157106 in words is "two hundred nine billion, three hundred twenty-four million, one hundred fifty-seven thousand, one hundred six".