161673384 has 32 divisors (see below), whose sum is σ = 404928000. Its totient is φ = 53791872.

The previous prime is 161673359. The next prime is 161673389. The reversal of 161673384 is 483376161.

161673384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161673384² = 52276566188022912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161673389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7737 + ... + 19575.

It is an arithmetic number, because the mean of its divisors is an integer number (12654000).

Almost surely, 2^161673384 is an apocalyptic number.

It is an amenable number.

161673384 is an abundant number, since it is smaller than the sum of its proper divisors (243254616).

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

161673384 is a wasteful number, since it uses less digits than its factorization.

161673384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12417 (or 12413 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 161673384 is about 12715.0848994413. The cubic root of 161673384 is about 544.7695729307.

The spelling of 161673384 in words is "one hundred sixty-one million, six hundred seventy-three thousand, three hundred eighty-four".