161932727 has 12 divisors (see below), whose sum is σ = 178493448. Its totient is φ = 146797200.

The previous prime is 161932703. The next prime is 161932733. The reversal of 161932727 is 727239161.

It is not a de Polignac number, because 161932727 - 2⁶ = 161932663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161932787) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 46352 + ... + 49722.

It is an arithmetic number, because the mean of its divisors is an integer number (14874454).

Almost surely, 2^161932727 is an apocalyptic number.

161932727 is a deficient number, since it is larger than the sum of its proper divisors (16560721).

161932727 is a wasteful number, since it uses less digits than its factorization.

161932727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790 (or 3779 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 161932727 is about 12725.2790539147. The cubic root of 161932727 is about 545.0607086653.

The spelling of 161932727 in words is "one hundred sixty-one million, nine hundred thirty-two thousand, seven hundred twenty-seven".