4161655836 has 36 divisors (see below), whose sum is σ = 11328953272. Its totient is φ = 1280509344.

The previous prime is 4161655831. The next prime is 4161655867. The reversal of 4161655836 is 6385561614.

4161655836 is a `hidden beast` number, since 4 + 1 + 6 + 1 + 65 + 583 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 4161655791 and 4161655800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161655831) 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, 4445746 + ... + 4446681.

Almost surely, 2^4161655836 is an apocalyptic number.

It is an amenable number.

4161655836 is an abundant number, since it is smaller than the sum of its proper divisors (7167297436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4161655836 is a wasteful number, since it uses less digits than its factorization.

4161655836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892450 (or 8892445 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 4161655836 is about 64510.8970329820. The cubic root of 4161655836 is about 1608.5036617471.

The spelling of 4161655836 in words is "four billion, one hundred sixty-one million, six hundred fifty-five thousand, eight hundred thirty-six".