4161773985 has 48 divisors (see below), whose sum is σ = 7050540672. Its totient is φ = 2092330240.

The previous prime is 4161773971. The next prime is 4161774007. The reversal of 4161773985 is 5893771614.

It is a happy number.

It is not a de Polignac number, because 4161773985 - 2⁵ = 4161773953 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1737949 + ... + 1740341.

It is an arithmetic number, because the mean of its divisors is an integer number (146886264).

Almost surely, 2^4161773985 is an apocalyptic number.

It is an amenable number.

4161773985 is a deficient number, since it is larger than the sum of its proper divisors (2888766687).

4161773985 is a wasteful number, since it uses less digits than its factorization.

4161773985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2495 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 4161773985 is about 64511.8127554946. The cubic root of 4161773985 is about 1608.5188833567.

The spelling of 4161773985 in words is "four billion, one hundred sixty-one million, seven hundred seventy-three thousand, nine hundred eighty-five".