161417332 has 6 divisors (see below), whose sum is σ = 282480338. Its totient is φ = 80708664.

The previous prime is 161417327. The next prime is 161417353. The reversal of 161417332 is 233714161.

It can be written as a sum of positive squares in only one way, i.e., 123520996 + 37896336 = 11114^2 + 6156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 161417332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177163 + ... + 20177170.

Almost surely, 2^161417332 is an apocalyptic number.

It is an amenable number.

161417332 is a deficient number, since it is larger than the sum of its proper divisors (121063006).

161417332 is a wasteful number, since it uses less digits than its factorization.

161417332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40354337 (or 40354335 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 161417332 is about 12705.0120818518. The cubic root of 161417332 is about 544.4818260356.

The spelling of 161417332 in words is "one hundred sixty-one million, four hundred seventeen thousand, three hundred thirty-two".