4661265636 has 96 divisors (see below), whose sum is σ = 12208452480. Its totient is φ = 1537944192.

The previous prime is 4661265601. The next prime is 4661265647. The reversal of 4661265636 is 6365621664.

4661265636 is a `hidden beast` number, since 4 + 6 + 6 + 1 + 2 + 6 + 5 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4661265591 and 4661265600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5922435 + ... + 5923221.

It is an arithmetic number, because the mean of its divisors is an integer number (127171380).

Almost surely, 2^4661265636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4661265636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6104226240).

4661265636 is an abundant number, since it is smaller than the sum of its proper divisors (7547186844).

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

4661265636 is a wasteful number, since it uses less digits than its factorization.

4661265636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1282 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 4661265636 is about 68273.4621650316. The cubic root of 4661265636 is about 1670.4543728792.

The spelling of 4661265636 in words is "four billion, six hundred sixty-one million, two hundred sixty-five thousand, six hundred thirty-six".