159929855 has 4 divisors (see below), whose sum is σ = 191915832. Its totient is φ = 127943880.

The previous prime is 159929831. The next prime is 159929881. The reversal of 159929855 is 558929951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558929951 = 59 ⋅9473389.

It is not a de Polignac number, because 159929855 - 2¹⁰ = 159928831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159929797 and 159929806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15992981 + ... + 15992990.

It is an arithmetic number, because the mean of its divisors is an integer number (47978958).

Almost surely, 2^159929855 is an apocalyptic number.

159929855 is a deficient number, since it is larger than the sum of its proper divisors (31985977).

159929855 is an equidigital number, since it uses as much as digits as its factorization.

159929855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31985976.

The product of its digits is 1458000, while the sum is 53.

The square root of 159929855 is about 12646.3376121310. The cubic root of 159929855 is about 542.8041772127.

The spelling of 159929855 in words is "one hundred fifty-nine million, nine hundred twenty-nine thousand, eight hundred fifty-five".