159867117902 has 16 divisors (see below), whose sum is σ = 248080881600. Its totient is φ = 77173740000.

The previous prime is 159867117901. The next prime is 159867117913. The reversal of 159867117902 is 209711768951.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619624 + ... + 1715492.

It is an arithmetic number, because the mean of its divisors is an integer number (15505055100).

Almost surely, 2^159867117902 is an apocalyptic number.

159867117902 is a deficient number, since it is larger than the sum of its proper divisors (88213763698).

159867117902 is a wasteful number, since it uses less digits than its factorization.

159867117902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124651.

The product of its (nonzero) digits is 1905120, while the sum is 56.

The spelling of 159867117902 in words is "one hundred fifty-nine billion, eight hundred sixty-seven million, one hundred seventeen thousand, nine hundred two".