5166504401 has 4 divisors (see below), whose sum is σ = 5166651492. Its totient is φ = 5166357312.

The previous prime is 5166504397. The next prime is 5166504419. The reversal of 5166504401 is 1044056615.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1859679376 + 3306825025 = 43124^2 + 57505^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166504401 - 2² = 5166504397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166503401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13421 + ... + 102533.

It is an arithmetic number, because the mean of its divisors is an integer number (1291662873).

Almost surely, 2^5166504401 is an apocalyptic number.

It is an amenable number.

5166504401 is a deficient number, since it is larger than the sum of its proper divisors (147091).

5166504401 is an equidigital number, since it uses as much as digits as its factorization.

5166504401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147090.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 5166504401 is about 71878.4001004474. The cubic root of 5166504401 is about 1728.7502976420.

The spelling of 5166504401 in words is "five billion, one hundred sixty-six million, five hundred four thousand, four hundred one".