158691711420836 has 24 divisors (see below), whose sum is σ = 303676516254720. Its totient is φ = 71961259759200.

The previous prime is 158691711420817. The next prime is 158691711420883. The reversal of 158691711420836 is 638024117196851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4283389796 + ... + 4283426843.

It is an arithmetic number, because the mean of its divisors is an integer number (12653188177280).

It is a 1-persistent number, because it is pandigital, but 2⋅158691711420836 = 317383422841672 is not.

Almost surely, 2^{158691711420836} is an apocalyptic number.

It is an amenable number.

158691711420836 is a deficient number, since it is larger than the sum of its proper divisors (144984804833884).

158691711420836 is a wasteful number, since it uses less digits than its factorization.

158691711420836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566817075 (or 8566817073 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 158691711420836 in words is "one hundred fifty-eight trillion, six hundred ninety-one billion, seven hundred eleven million, four hundred twenty thousand, eight hundred thirty-six".