5166734401 has 4 divisors (see below), whose sum is σ = 5470659972. Its totient is φ = 4862808832.

The previous prime is 5166734387. The next prime is 5166734437. The reversal of 5166734401 is 1044376615.

It is a Cunningham number, because it is equal to 71880²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4022603776 + 1144130625 = 63424^2 + 33825^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166734401 - 2⁹ = 5166733889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5166734471) 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, 151962760 + ... + 151962793.

It is an arithmetic number, because the mean of its divisors is an integer number (1367664993).

Almost surely, 2^5166734401 is an apocalyptic number.

It is an amenable number.

5166734401 is a deficient number, since it is larger than the sum of its proper divisors (303925571).

5166734401 is a wasteful number, since it uses less digits than its factorization.

5166734401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303925570.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 5166734401 is about 71880.0000069560. Note that the first 5 decimals coincide. The cubic root of 5166734401 is about 1728.7759504908.

It can be divided in two parts, 51667 and 34401, that added together give a palindrome (86068).

The spelling of 5166734401 in words is "five billion, one hundred sixty-six million, seven hundred thirty-four thousand, four hundred one".