159706565641 has 8 divisors (see below), whose sum is σ = 182761640064. Its totient is φ = 136711453920.

The previous prime is 159706565609. The next prime is 159706565657. The reversal of 159706565641 is 146565607951.

It is a happy number.

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 159706565641 - 2⁵ = 159706565609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159706563641) 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, 14984965 + ... + 14995618.

It is an arithmetic number, because the mean of its divisors is an integer number (22845205008).

Almost surely, 2^159706565641 is an apocalyptic number.

It is an amenable number.

159706565641 is a deficient number, since it is larger than the sum of its proper divisors (23055074423).

159706565641 is an equidigital number, since it uses as much as digits as its factorization.

159706565641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29981351.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 159706565641 in words is "one hundred fifty-nine billion, seven hundred six million, five hundred sixty-five thousand, six hundred forty-one".