159670399 has 8 divisors (see below), whose sum is σ = 183601280. Its totient is φ = 136019736.

The previous prime is 159670373. The next prime is 159670411. The reversal of 159670399 is 993076951.

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 159670399 - 2⁷ = 159670271 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 (159670999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68829 + ... + 71110.

It is an arithmetic number, because the mean of its divisors is an integer number (22950160).

Almost surely, 2^159670399 is an apocalyptic number.

159670399 is a deficient number, since it is larger than the sum of its proper divisors (23930881).

159670399 is a wasteful number, since it uses less digits than its factorization.

159670399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140109.

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 159670399 is about 12636.0753005037. The cubic root of 159670399 is about 542.5104858981.

The spelling of 159670399 in words is "one hundred fifty-nine million, six hundred seventy thousand, three hundred ninety-nine".