161675132 has 24 divisors (see below), whose sum is σ = 289564800. Its totient is φ = 78960960.

The previous prime is 161675113. The next prime is 161675167. The reversal of 161675132 is 231576161.

It is a super-2 number, since 2×161675132² = 52277696614434848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34133 + ... + 38579.

It is an arithmetic number, because the mean of its divisors is an integer number (12065200).

Almost surely, 2^161675132 is an apocalyptic number.

It is an amenable number.

161675132 is a deficient number, since it is larger than the sum of its proper divisors (127889668).

161675132 is a wasteful number, since it uses less digits than its factorization.

161675132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661 (or 4659 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 161675132 is about 12715.1536365079. The cubic root of 161675132 is about 544.7715362590.

The spelling of 161675132 in words is "one hundred sixty-one million, six hundred seventy-five thousand, one hundred thirty-two".