159990814 has 8 divisors (see below), whose sum is σ = 247727808. Its totient is φ = 77414880.

The previous prime is 159990799. The next prime is 159990821. The reversal of 159990814 is 418099951.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290187 + ... + 1290310.

It is an arithmetic number, because the mean of its divisors is an integer number (30965976).

Almost surely, 2^159990814 is an apocalyptic number.

159990814 is a deficient number, since it is larger than the sum of its proper divisors (87736994).

159990814 is a wasteful number, since it uses less digits than its factorization.

159990814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580530.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 159990814 is about 12648.7475269293. The cubic root of 159990814 is about 542.8731336867.

The spelling of 159990814 in words is "one hundred fifty-nine million, nine hundred ninety thousand, eight hundred fourteen".