159406689 has 8 divisors (see below), whose sum is σ = 228891712. Its totient is φ = 98096400.

The previous prime is 159406661. The next prime is 159406697. The reversal of 159406689 is 986604951.

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

It is not a de Polignac number, because 159406689 - 2¹⁷ = 159275617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159406589) 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, 2043637 + ... + 2043714.

It is an arithmetic number, because the mean of its divisors is an integer number (28611464).

Almost surely, 2^159406689 is an apocalyptic number.

It is an amenable number.

159406689 is a deficient number, since it is larger than the sum of its proper divisors (69485023).

159406689 is a wasteful number, since it uses less digits than its factorization.

159406689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087367.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 159406689 is about 12625.6361819910. The cubic root of 159406689 is about 542.2116530623.

The spelling of 159406689 in words is "one hundred fifty-nine million, four hundred six thousand, six hundred eighty-nine".