18016052 has 6 divisors (see below), whose sum is σ = 31528098. Its totient is φ = 9008024.

The previous prime is 18016051. The next prime is 18016057. The reversal of 18016052 is 25061081.

It can be written as a sum of positive squares in only one way, i.e., 9278116 + 8737936 = 3046^2 + 2956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18016051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2252003 + ... + 2252010.

It is an arithmetic number, because the mean of its divisors is an integer number (5254683).

Almost surely, 2^18016052 is an apocalyptic number.

It is an amenable number.

18016052 is a deficient number, since it is larger than the sum of its proper divisors (13512046).

18016052 is a wasteful number, since it uses less digits than its factorization.

18016052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504017 (or 4504015 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 18016052 is about 4244.5320118948. The cubic root of 18016052 is about 262.1520202392.

The spelling of 18016052 in words is "eighteen million, sixteen thousand, fifty-two".