159953647 has 32 divisors (see below), whose sum is σ = 201369600. Its totient is φ = 123959808.

The previous prime is 159953639. The next prime is 159953653. The reversal of 159953647 is 746359951.

It is not a de Polignac number, because 159953647 - 2³ = 159953639 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 159953647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159953617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435658 + ... + 436024.

It is an arithmetic number, because the mean of its divisors is an integer number (6292800).

Almost surely, 2^159953647 is an apocalyptic number.

159953647 is a deficient number, since it is larger than the sum of its proper divisors (41415953).

159953647 is a wasteful number, since it uses less digits than its factorization.

159953647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535.

The product of its digits is 1020600, while the sum is 49.

The square root of 159953647 is about 12647.2782447450. The cubic root of 159953647 is about 542.8310926723.

The spelling of 159953647 in words is "one hundred fifty-nine million, nine hundred fifty-three thousand, six hundred forty-seven".