161748152 has 16 divisors (see below), whose sum is σ = 306061800. Its totient is φ = 80131680.

The previous prime is 161748131. The next prime is 161748187. The reversal of 161748152 is 251847161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91874 + ... + 93617.

Almost surely, 2^161748152 is an apocalyptic number.

It is an amenable number.

161748152 is a deficient number, since it is larger than the sum of its proper divisors (144313648).

161748152 is a wasteful number, since it uses less digits than its factorization.

161748152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185606 (or 185602 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 161748152 is about 12718.0246893926. The cubic root of 161748152 is about 544.8535386257.

Subtracting 161748152 from its reverse (251847161), we obtain a palindrome (90099009).

The spelling of 161748152 in words is "one hundred sixty-one million, seven hundred forty-eight thousand, one hundred fifty-two".