159867117903 has 16 divisors (see below), whose sum is σ = 224695036800. Its totient is φ = 100824645600.

The previous prime is 159867117901. The next prime is 159867117913. The reversal of 159867117903 is 309711768951.

It is a happy number.

It is not a de Polignac number, because 159867117903 - 2¹ = 159867117901 is a prime.

It is a super-2 number, since 2×159867117903² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159867117901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960533 + ... + 2040446.

It is an arithmetic number, because the mean of its divisors is an integer number (14043439800).

Almost surely, 2^159867117903 is an apocalyptic number.

159867117903 is a deficient number, since it is larger than the sum of its proper divisors (64827918897).

159867117903 is a wasteful number, since it uses less digits than its factorization.

159867117903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001702.

The product of its (nonzero) digits is 2857680, while the sum is 57.

The spelling of 159867117903 in words is "one hundred fifty-nine billion, eight hundred sixty-seven million, one hundred seventeen thousand, nine hundred three".