161329836026836 has 48 divisors (see below), whose sum is σ = 287628000352000. Its totient is φ = 79156629008640.

The previous prime is 161329836026813. The next prime is 161329836026873. The reversal of 161329836026836 is 638620638923161.

161329836026836 is digitally balanced in base 2, 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, 2026487800 + ... + 2026567408.

Almost surely, 2^{161329836026836} is an apocalyptic number.

It is an amenable number.

161329836026836 is a deficient number, since it is larger than the sum of its proper divisors (126298164325164).

161329836026836 is a wasteful number, since it uses less digits than its factorization.

161329836026836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99032 (or 99030 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 64.

The spelling of 161329836026836 in words is "one hundred sixty-one trillion, three hundred twenty-nine billion, eight hundred thirty-six million, twenty-six thousand, eight hundred thirty-six".