159926641 has 12 divisors (see below), whose sum is σ = 188283312. Its totient is φ = 135424968.

The previous prime is 159926621. The next prime is 159926651. The reversal of 159926641 is 146629951.

It is not a de Polignac number, because 159926641 - 2²³ = 151538033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159926621) 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 11 ways as a sum of consecutive naturals, for example, 15595 + ... + 23728.

It is an arithmetic number, because the mean of its divisors is an integer number (15690276).

Almost surely, 2^159926641 is an apocalyptic number.

It is an amenable number.

159926641 is a deficient number, since it is larger than the sum of its proper divisors (28356671).

159926641 is an equidigital number, since it uses as much as digits as its factorization.

159926641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420 (or 39413 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 159926641 is about 12646.2105391299. The cubic root of 159926641 is about 542.8005410679.

The spelling of 159926641 in words is "one hundred fifty-nine million, nine hundred twenty-six thousand, six hundred forty-one".