159787951 has 8 divisors (see below), whose sum is σ = 163450224. Its totient is φ = 156149760.

The previous prime is 159787939. The next prime is 159787963.

It is a happy number.

159787951 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (159787939) and next prime (159787963).

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

It is a cyclic number.

It is not a de Polignac number, because 159787951 - 2¹⁷ = 159656879 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 (159757951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7756 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (20431278).

Almost surely, 2^159787951 is an apocalyptic number.

159787951 is a deficient number, since it is larger than the sum of its proper divisors (3662273).

159787951 is a wasteful number, since it uses less digits than its factorization.

159787951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12041.

The product of its digits is 793800, while the sum is 52.

The square root of 159787951 is about 12640.7258889670. The cubic root of 159787951 is about 542.6435883165.

The spelling of 159787951 in words is "one hundred fifty-nine million, seven hundred eighty-seven thousand, nine hundred fifty-one".