159471893 has 16 divisors (see below), whose sum is σ = 188780544. Its totient is φ = 131878320.

The previous prime is 159471877. The next prime is 159471929. The reversal of 159471893 is 398174951.

It is not a de Polignac number, because 159471893 - 2⁴ = 159471877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159471803) 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 15 ways as a sum of consecutive naturals, for example, 19946 + ... + 26772.

It is an arithmetic number, because the mean of its divisors is an integer number (11798784).

Almost surely, 2^159471893 is an apocalyptic number.

It is an amenable number.

159471893 is a deficient number, since it is larger than the sum of its proper divisors (29308651).

159471893 is an equidigital number, since it uses as much as digits as its factorization.

159471893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952.

The product of its digits is 272160, while the sum is 47.

The square root of 159471893 is about 12628.2181245020. The cubic root of 159471893 is about 542.2855720625.

The spelling of 159471893 in words is "one hundred fifty-nine million, four hundred seventy-one thousand, eight hundred ninety-three".