161982948 has 12 divisors (see below), whose sum is σ = 377960240. Its totient is φ = 53994312.

The previous prime is 161982917. The next prime is 161982949. The reversal of 161982948 is 849289161.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 161982897 and 161982906.

It is not an unprimeable number, because it can be changed into a prime (161982949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6749278 + ... + 6749301.

Almost surely, 2^161982948 is an apocalyptic number.

It is an amenable number.

161982948 is an abundant number, since it is smaller than the sum of its proper divisors (215977292).

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

161982948 is a wasteful number, since it uses less digits than its factorization.

161982948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13498586 (or 13498584 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 161982948 is about 12727.2521779055. The cubic root of 161982948 is about 545.1170503018.

The spelling of 161982948 in words is "one hundred sixty-one million, nine hundred eighty-two thousand, nine hundred forty-eight".