161463984 has 40 divisors (see below), whose sum is σ = 455036352. Its totient is φ = 48928320.

The previous prime is 161463983. The next prime is 161464001. The reversal of 161463984 is 489364161.

It is not an unprimeable number, because it can be changed into a prime (161463983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152374 + ... + 153429.

Almost surely, 2^161463984 is an apocalyptic number.

It is an amenable number.

161463984 is an abundant number, since it is smaller than the sum of its proper divisors (293572368).

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

161463984 is a wasteful number, since it uses less digits than its factorization.

161463984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305825 (or 305819 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 161463984 is about 12706.8479175600. The cubic root of 161463984 is about 544.5342754207.

The spelling of 161463984 in words is "one hundred sixty-one million, four hundred sixty-three thousand, nine hundred eighty-four".