161850479 has 12 divisors (see below), whose sum is σ = 194769000. Its totient is φ = 133944048.

The previous prime is 161850461. The next prime is 161850529. The reversal of 161850479 is 974058161.

It is a de Polignac number, because none of the positive numbers 2^k-161850479 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 (161850419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55529 + ... + 58370.

It is an arithmetic number, because the mean of its divisors is an integer number (16230750).

Almost surely, 2^161850479 is an apocalyptic number.

161850479 is a deficient number, since it is larger than the sum of its proper divisors (32918521).

161850479 is a wasteful number, since it uses less digits than its factorization.

161850479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113942 (or 113935 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 161850479 is about 12722.0469657992. The cubic root of 161850479 is about 544.9684116024.

The spelling of 161850479 in words is "one hundred sixty-one million, eight hundred fifty thousand, four hundred seventy-nine".