159908601 has 4 divisors (see below), whose sum is σ = 213211472. Its totient is φ = 106605732.

The previous prime is 159908597. The next prime is 159908641. The reversal of 159908601 is 106809951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 159908601 - 2² = 159908597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 159908601.

It is not an unprimeable number, because it can be changed into a prime (159908641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26651431 + ... + 26651436.

It is an arithmetic number, because the mean of its divisors is an integer number (53302868).

Almost surely, 2^159908601 is an apocalyptic number.

It is an amenable number.

159908601 is a deficient number, since it is larger than the sum of its proper divisors (53302871).

159908601 is an equidigital number, since it uses as much as digits as its factorization.

159908601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53302870.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 159908601 is about 12645.4972618715. The cubic root of 159908601 is about 542.7801306891.

The spelling of 159908601 in words is "one hundred fifty-nine million, nine hundred eight thousand, six hundred one".