161032685 has 8 divisors (see below), whose sum is σ = 210806496. Its totient is φ = 117114640.

The previous prime is 161032643. The next prime is 161032717. The reversal of 161032685 is 586230161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161032685 - 2¹⁴ = 161016301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463879 + ... + 1463988.

It is an arithmetic number, because the mean of its divisors is an integer number (26350812).

Almost surely, 2^161032685 is an apocalyptic number.

It is an amenable number.

161032685 is a deficient number, since it is larger than the sum of its proper divisors (49773811).

161032685 is a wasteful number, since it uses less digits than its factorization.

161032685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927883.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 161032685 is about 12689.8654445191. The cubic root of 161032685 is about 544.0489937942.

The spelling of 161032685 in words is "one hundred sixty-one million, thirty-two thousand, six hundred eighty-five".