5231664900 has 324 divisors, whose sum is σ = 20602598016. Its totient is φ = 1086940800.

The previous prime is 5231664899. The next prime is 5231664901. The reversal of 5231664900 is 94661325.

It is a happy number.

5231664900 is a `hidden beast` number, since 5 + 2 + 3 + 1 + 6 + 649 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5231664899) and next prime (5231664901).

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

It is not an unprimeable number, because it can be changed into a prime (5231664901) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 758869 + ... + 765731.

Almost surely, 2^5231664900 is an apocalyptic number.

5231664900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5231664900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10301299008).

5231664900 is an abundant number, since it is smaller than the sum of its proper divisors (15370933116).

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

5231664900 is a wasteful number, since it uses less digits than its factorization.

5231664900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912 (or 6891 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 5231664900 is about 72330.2488589663. The cubic root of 5231664900 is about 1735.9876832534.

The spelling of 5231664900 in words is "five billion, two hundred thirty-one million, six hundred sixty-four thousand, nine hundred".