158039837666 has 8 divisors (see below), whose sum is σ = 242572774224. Its totient is φ = 77182246260.

The previous prime is 158039837653. The next prime is 158039837699. The reversal of 158039837666 is 666738930851.

158039837666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 158039837599 and 158039837608.

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 3 ways as a sum of consecutive naturals, for example, 918836180 + ... + 918836351.

It is an arithmetic number, because the mean of its divisors is an integer number (30321596778).

Almost surely, 2^158039837666 is an apocalyptic number.

158039837666 is a deficient number, since it is larger than the sum of its proper divisors (84532936558).

158039837666 is a wasteful number, since it uses less digits than its factorization.

158039837666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837672576.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 158039837666 in words is "one hundred fifty-eight billion, thirty-nine million, eight hundred thirty-seven thousand, six hundred sixty-six".