538160618 has 4 divisors (see below), whose sum is σ = 807240930. Its totient is φ = 269080308.

The previous prime is 538160611. The next prime is 538160633. The reversal of 538160618 is 816061835.

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: 816061835 = 5 ⋅163212367.

It can be written as a sum of positive squares in only one way, i.e., 420373009 + 117787609 = 20503^2 + 10853^2 .

It is a super-2 number, since 2×538160618² = 579233701532283848, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538160611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134540153 + ... + 134540156.

Almost surely, 2^538160618 is an apocalyptic number.

538160618 is a deficient number, since it is larger than the sum of its proper divisors (269080312).

538160618 is a wasteful number, since it uses less digits than its factorization.

538160618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269080311.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 538160618 is about 23198.2891179501. The cubic root of 538160618 is about 813.3996311554.

The spelling of 538160618 in words is "five hundred thirty-eight million, one hundred sixty thousand, six hundred eighteen".