159358963 has 4 divisors (see below), whose sum is σ = 163666000. Its totient is φ = 155051928.

The previous prime is 159358961. The next prime is 159358967. The reversal of 159358963 is 369853951.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159358963 - 2¹ = 159358961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159358961) 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, 2153463 + ... + 2153536.

It is an arithmetic number, because the mean of its divisors is an integer number (40916500).

Almost surely, 2^159358963 is an apocalyptic number.

159358963 is a deficient number, since it is larger than the sum of its proper divisors (4307037).

159358963 is an equidigital number, since it uses as much as digits as its factorization.

159358963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307036.

The product of its digits is 874800, while the sum is 49.

The square root of 159358963 is about 12623.7459971278. The cubic root of 159358963 is about 542.1575353493.

The spelling of 159358963 in words is "one hundred fifty-nine million, three hundred fifty-eight thousand, nine hundred sixty-three".