5166355441 has 4 divisors (see below), whose sum is σ = 5563767412. Its totient is φ = 4768943472.

The previous prime is 5166355391. The next prime is 5166355451. The reversal of 5166355441 is 1445536615.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1445536615 = 5 ⋅289107323.

It can be written as a sum of positive squares in 2 ways, for example, as 3352873216 + 1813482225 = 57904^2 + 42585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5166355441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5166355394 and 5166355403.

It is not an unprimeable number, because it can be changed into a prime (5166355451) 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, 198705966 + ... + 198705991.

It is an arithmetic number, because the mean of its divisors is an integer number (1390941853).

Almost surely, 2^5166355441 is an apocalyptic number.

It is an amenable number.

5166355441 is a deficient number, since it is larger than the sum of its proper divisors (397411971).

5166355441 is a wasteful number, since it uses less digits than its factorization.

5166355441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397411970.

The product of its digits is 216000, while the sum is 40.

The square root of 5166355441 is about 71877.3638985181. The cubic root of 5166355441 is about 1728.7336831125.

The spelling of 5166355441 in words is "five billion, one hundred sixty-six million, three hundred fifty-five thousand, four hundred forty-one".