161417328 has 40 divisors (see below), whose sum is σ = 427170576. Its totient is φ = 52492800.

The previous prime is 161417327. The next prime is 161417353. The reversal of 161417328 is 823714161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161417323) 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, 39043 + ... + 42978.

Almost surely, 2^161417328 is an apocalyptic number.

It is an amenable number.

161417328 is an abundant number, since it is smaller than the sum of its proper divisors (265753248).

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

161417328 is a wasteful number, since it uses less digits than its factorization.

161417328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82073 (or 82067 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 161417328 is about 12705.0119244336. The cubic root of 161417328 is about 544.4818215381.

The spelling of 161417328 in words is "one hundred sixty-one million, four hundred seventeen thousand, three hundred twenty-eight".