159816656212 has 12 divisors (see below), whose sum is σ = 279688955616. Its totient is φ = 79905526040.

The previous prime is 159816656173. The next prime is 159816656213. The reversal of 159816656212 is 212656618951.

It is a self number, because there is not a number n which added to its sum of digits gives 159816656212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159816656213) 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 3 ways as a sum of consecutive naturals, for example, 569464 + ... + 802447.

It is an arithmetic number, because the mean of its divisors is an integer number (23307412968).

Almost surely, 2^159816656212 is an apocalyptic number.

It is an amenable number.

159816656212 is a deficient number, since it is larger than the sum of its proper divisors (119872299404).

159816656212 is a wasteful number, since it uses less digits than its factorization.

159816656212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401038 (or 1401036 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 52.

The spelling of 159816656212 in words is "one hundred fifty-nine billion, eight hundred sixteen million, six hundred fifty-six thousand, two hundred twelve".