538164441 has 12 divisors (see below), whose sum is σ = 777555220. Its totient is φ = 358680960.

The previous prime is 538164437. The next prime is 538164449. The reversal of 538164441 is 144461835.

538164441 is a `hidden beast` number, since 5 + 3 + 8 + 1 + 644 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 117094041 + 421070400 = 10821^2 + 20520^2 .

It is not a de Polignac number, because 538164441 - 2² = 538164437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538164396 and 538164405.

It is not an unprimeable number, because it can be changed into a prime (538164449) 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, 50205 + ... + 59973.

Almost surely, 2^538164441 is an apocalyptic number.

It is an amenable number.

538164441 is a deficient number, since it is larger than the sum of its proper divisors (239390779).

538164441 is a wasteful number, since it uses less digits than its factorization.

538164441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15896 (or 15893 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 538164441 is about 23198.3715161216. The cubic root of 538164441 is about 813.4015572343.

The spelling of 538164441 in words is "five hundred thirty-eight million, one hundred sixty-four thousand, four hundred forty-one".