538018662 has 16 divisors (see below), whose sum is σ = 1076936112. Its totient is φ = 179189760.

The previous prime is 538018639. The next prime is 538018667. The reversal of 538018662 is 266810835.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 538018662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538018667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29539 + ... + 44142.

It is an arithmetic number, because the mean of its divisors is an integer number (67308507).

Almost surely, 2^538018662 is an apocalyptic number.

538018662 is an abundant number, since it is smaller than the sum of its proper divisors (538917450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538018662 is a wasteful number, since it uses less digits than its factorization.

538018662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74903.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 538018662 is about 23195.2292939734. The cubic root of 538018662 is about 813.3281053517.

It can be divided in two parts, 5380 and 18662, that added together give a palindrome (24042).

The spelling of 538018662 in words is "five hundred thirty-eight million, eighteen thousand, six hundred sixty-two".