6251164452 has 72 divisors (see below), whose sum is σ = 18018085176. Its totient is φ = 1810289664.

The previous prime is 6251164421. The next prime is 6251164459. The reversal of 6251164452 is 2544611526.

6251164452 is a `hidden beast` number, since 6 + 2 + 5 + 1 + 1 + 644 + 5 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 989983296 + 5261181156 = 31464^2 + 72534^2 .

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 (6251164459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384903 + ... + 400814.

It is an arithmetic number, because the mean of its divisors is an integer number (250251183).

Almost surely, 2^6251164452 is an apocalyptic number.

It is an amenable number.

6251164452 is an abundant number, since it is smaller than the sum of its proper divisors (11766920724).

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

6251164452 is a wasteful number, since it uses less digits than its factorization.

6251164452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785757 (or 785752 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6251164452 is about 79064.3058023025. The cubic root of 6251164452 is about 1842.1301389590.

Adding to 6251164452 its reverse (2544611526), we get a palindrome (8795775978).

The spelling of 6251164452 in words is "six billion, two hundred fifty-one million, one hundred sixty-four thousand, four hundred fifty-two".