161850941 has 8 divisors (see below), whose sum is σ = 185150784. Its totient is φ = 138595680.

The previous prime is 161850851. The next prime is 161850971. The reversal of 161850941 is 149058161.

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

It is a cyclic number.

It is not a de Polignac number, because 161850941 - 2¹⁴ = 161834557 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161850971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2960 + ... + 18233.

It is an arithmetic number, because the mean of its divisors is an integer number (23143848).

Almost surely, 2^161850941 is an apocalyptic number.

It is an amenable number.

161850941 is a deficient number, since it is larger than the sum of its proper divisors (23299843).

161850941 is a wasteful number, since it uses less digits than its factorization.

161850941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22291.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 161850941 is about 12722.0651232416. The cubic root of 161850941 is about 544.9689301369.

The spelling of 161850941 in words is "one hundred sixty-one million, eight hundred fifty thousand, nine hundred forty-one".