159168387 has 16 divisors (see below), whose sum is σ = 243516672. Its totient is φ = 90588000.

The previous prime is 159168379. The next prime is 159168407. The reversal of 159168387 is 783861951.

It is not a de Polignac number, because 159168387 - 2³ = 159168379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159168307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9828 + ... + 20369.

It is an arithmetic number, because the mean of its divisors is an integer number (15219792).

Almost surely, 2^159168387 is an apocalyptic number.

159168387 is a deficient number, since it is larger than the sum of its proper divisors (84348285).

159168387 is a wasteful number, since it uses less digits than its factorization.

159168387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30458.

The product of its digits is 362880, while the sum is 48.

The square root of 159168387 is about 12616.1954249290. The cubic root of 159168387 is about 541.9413286436.

The spelling of 159168387 in words is "one hundred fifty-nine million, one hundred sixty-eight thousand, three hundred eighty-seven".