159122906399 has 4 divisors (see below), whose sum is σ = 159123705720. Its totient is φ = 159122107080.

The previous prime is 159122906389. The next prime is 159122906407. The reversal of 159122906399 is 993609221951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 159122906399 - 2¹² = 159122902303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159122906309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162929 + ... + 587189.

It is an arithmetic number, because the mean of its divisors is an integer number (39780926430).

Almost surely, 2^159122906399 is an apocalyptic number.

159122906399 is a deficient number, since it is larger than the sum of its proper divisors (799321).

159122906399 is an equidigital number, since it uses as much as digits as its factorization.

159122906399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799320.

The product of its (nonzero) digits is 2361960, while the sum is 56.

The spelling of 159122906399 in words is "one hundred fifty-nine billion, one hundred twenty-two million, nine hundred six thousand, three hundred ninety-nine".