159236668061 has 8 divisors (see below), whose sum is σ = 162948507744. Its totient is φ = 155525222160.

The previous prime is 159236667977. The next prime is 159236668069. The reversal of 159236668061 is 160866632951.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159236668061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 159236667994 and 159236668012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159236668069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817991 + ... + 993771.

It is an arithmetic number, because the mean of its divisors is an integer number (20368563468).

Almost surely, 2^159236668061 is an apocalyptic number.

It is an amenable number.

159236668061 is a deficient number, since it is larger than the sum of its proper divisors (3711839683).

159236668061 is a wasteful number, since it uses less digits than its factorization.

159236668061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196891.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 159236668061 in words is "one hundred fifty-nine billion, two hundred thirty-six million, six hundred sixty-eight thousand, sixty-one".