159668697012 has 48 divisors (see below), whose sum is σ = 406817208000. Its totient is φ = 48338287360.

The previous prime is 159668697007. The next prime is 159668697029. The reversal of 159668697012 is 210796866951.

159668697012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438087 + ... + 715022.

It is an arithmetic number, because the mean of its divisors is an integer number (8475358500).

Almost surely, 2^159668697012 is an apocalyptic number.

159668697012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159668697012 is an abundant number, since it is smaller than the sum of its proper divisors (247148510988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159668697012 is a wasteful number, since it uses less digits than its factorization.

159668697012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154176 (or 1154174 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 159668697012 in words is "one hundred fifty-nine billion, six hundred sixty-eight million, six hundred ninety-seven thousand, twelve".