161406384 has 20 divisors (see below), whose sum is σ = 416966616. Its totient is φ = 53802112.

The previous prime is 161406353. The next prime is 161406389. The reversal of 161406384 is 483604161.

It is not an unprimeable number, because it can be changed into a prime (161406389) 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, 1681269 + ... + 1681364.

Almost surely, 2^161406384 is an apocalyptic number.

It is an amenable number.

161406384 is an abundant number, since it is smaller than the sum of its proper divisors (255560232).

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

161406384 is a wasteful number, since it uses less digits than its factorization.

161406384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362644 (or 3362638 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 161406384 is about 12704.5812209612. The cubic root of 161406384 is about 544.4695160775.

The spelling of 161406384 in words is "one hundred sixty-one million, four hundred six thousand, three hundred eighty-four".