161876984 has 8 divisors (see below), whose sum is σ = 303519360. Its totient is φ = 80938488.

The previous prime is 161876971. The next prime is 161876987. The reversal of 161876984 is 489678161.

161876984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161876987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117304 + ... + 10117319.

It is an arithmetic number, because the mean of its divisors is an integer number (37939920).

Almost surely, 2^161876984 is an apocalyptic number.

It is an amenable number.

161876984 is a deficient number, since it is larger than the sum of its proper divisors (141642376).

161876984 is a wasteful number, since it uses less digits than its factorization.

161876984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234629 (or 20234625 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 161876984 is about 12723.0886187278. The cubic root of 161876984 is about 544.9981583980.

The spelling of 161876984 in words is "one hundred sixty-one million, eight hundred seventy-six thousand, nine hundred eighty-four".