159642938001 has 4 divisors (see below), whose sum is σ = 212857250672. Its totient is φ = 106428625332.

The previous prime is 159642937943. The next prime is 159642938023. The reversal of 159642938001 is 100839246951.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100839246951 = 3 ⋅33613082317.

It is not a de Polignac number, because 159642938001 - 2²⁶ = 159575829137 is a prime.

It is a super-2 number, since 2×159642938001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159642938041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26607156331 + ... + 26607156336.

It is an arithmetic number, because the mean of its divisors is an integer number (53214312668).

Almost surely, 2^159642938001 is an apocalyptic number.

It is an amenable number.

159642938001 is a deficient number, since it is larger than the sum of its proper divisors (53214312671).

159642938001 is an equidigital number, since it uses as much as digits as its factorization.

159642938001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53214312670.

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

The spelling of 159642938001 in words is "one hundred fifty-nine billion, six hundred forty-two million, nine hundred thirty-eight thousand, one".