5261663232 has 352 divisors, whose sum is σ = 18404003840. Its totient is φ = 1453178880.

The previous prime is 5261663221. The next prime is 5261663233. The reversal of 5261663232 is 2323661625.

5261663232 is a `hidden beast` number, since 5 + 2 + 6 + 16 + 632 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261663233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5999178 + ... + 6000054.

Almost surely, 2^5261663232 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 5261663232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9202001920).

5261663232 is an abundant number, since it is smaller than the sum of its proper divisors (13142340608).

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

5261663232 is a wasteful number, since it uses less digits than its factorization.

5261663232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 920 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 5261663232 is about 72537.3230275284. The cubic root of 5261663232 is about 1739.2994087970.

The spelling of 5261663232 in words is "five billion, two hundred sixty-one million, six hundred sixty-three thousand, two hundred thirty-two".