159221364593 has 8 divisors (see below), whose sum is σ = 159495873600. Its totient is φ = 158946940368.

The previous prime is 159221364587. The next prime is 159221364649. The reversal of 159221364593 is 395463122951.

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 159221364593 - 2¹⁶ = 159221299057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159221364553) 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, 4585943 + ... + 4620531.

It is an arithmetic number, because the mean of its divisors is an integer number (19936984200).

Almost surely, 2^159221364593 is an apocalyptic number.

It is an amenable number.

159221364593 is a deficient number, since it is larger than the sum of its proper divisors (274509007).

159221364593 is an equidigital number, since it uses as much as digits as its factorization.

159221364593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42391.

The product of its digits is 1749600, while the sum is 50.

The spelling of 159221364593 in words is "one hundred fifty-nine billion, two hundred twenty-one million, three hundred sixty-four thousand, five hundred ninety-three".