159699809812 has 48 divisors (see below), whose sum is σ = 303033115840. Its totient is φ = 73383916032.

The previous prime is 159699809807. The next prime is 159699809821. The reversal of 159699809812 is 218908996951.

159699809812 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863383 + ... + 1031905.

Almost surely, 2^159699809812 is an apocalyptic number.

It is an amenable number.

159699809812 is a deficient number, since it is larger than the sum of its proper divisors (143333306028).

159699809812 is a wasteful number, since it uses less digits than its factorization.

159699809812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168920 (or 168918 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 67.

The spelling of 159699809812 in words is "one hundred fifty-nine billion, six hundred ninety-nine million, eight hundred nine thousand, eight hundred twelve".