159899407 has 4 divisors (see below), whose sum is σ = 161314560. Its totient is φ = 158484256.

The previous prime is 159899401. The next prime is 159899429. The reversal of 159899407 is 704998951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704998951 = 53 ⋅13301867.

It is a cyclic number.

It is not a de Polignac number, because 159899407 - 2¹⁵ = 159866639 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 (159899401) by changing a digit.

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, 707407 + ... + 707632.

It is an arithmetic number, because the mean of its divisors is an integer number (40328640).

Almost surely, 2^159899407 is an apocalyptic number.

159899407 is a deficient number, since it is larger than the sum of its proper divisors (1415153).

159899407 is a wasteful number, since it uses less digits than its factorization.

159899407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415152.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 159899407 is about 12645.1337280394. The cubic root of 159899407 is about 542.7697280463.

The spelling of 159899407 in words is "one hundred fifty-nine million, eight hundred ninety-nine thousand, four hundred seven".