161536033984 has 56 divisors (see below), whose sum is σ = 345271768688. Its totient is φ = 74540805120.

The previous prime is 161536033961. The next prime is 161536034003. The reversal of 161536033984 is 489330635161.

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, 5206999 + ... + 5237929.

It is an arithmetic number, because the mean of its divisors is an integer number (6165567298).

Almost surely, 2^161536033984 is an apocalyptic number.

It is an amenable number.

161536033984 is an abundant number, since it is smaller than the sum of its proper divisors (183735734704).

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

161536033984 is a wasteful number, since it uses less digits than its factorization.

161536033984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37233 (or 37223 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 161536033984 in words is "one hundred sixty-one billion, five hundred thirty-six million, thirty-three thousand, nine hundred eighty-four".