5421166344 has 48 divisors (see below), whose sum is σ = 16017084720. Its totient is φ = 1642777440.

The previous prime is 5421166343. The next prime is 5421166379. The reversal of 5421166344 is 4436611245.

5421166344 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 16 + 634 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5421166299 and 5421166308.

It is not an unprimeable number, because it can be changed into a prime (5421166343) 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, 3421662 + ... + 3423245.

It is an arithmetic number, because the mean of its divisors is an integer number (333689265).

Almost surely, 2^5421166344 is an apocalyptic number.

It is an amenable number.

5421166344 is an abundant number, since it is smaller than the sum of its proper divisors (10595918376).

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

5421166344 is a wasteful number, since it uses less digits than its factorization.

5421166344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844930 (or 6844923 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 5421166344 is about 73628.5701613171. The cubic root of 5421166344 is about 1756.6999050265.

Adding to 5421166344 its reverse (4436611245), we get a palindrome (9857777589).

The spelling of 5421166344 in words is "five billion, four hundred twenty-one million, one hundred sixty-six thousand, three hundred forty-four".