18162064 has 10 divisors (see below), whose sum is σ = 35189030. Its totient is φ = 9081024.

The previous prime is 18162061. The next prime is 18162071. The reversal of 18162064 is 46026181.

It can be written as a sum of positive squares in only one way, i.e., 11505664 + 6656400 = 3392^2 + 2580^2 .

It is not an unprimeable number, because it can be changed into a prime (18162061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567549 + ... + 567580.

It is an arithmetic number, because the mean of its divisors is an integer number (3518903).

Almost surely, 2^18162064 is an apocalyptic number.

It is an amenable number.

18162064 is a deficient number, since it is larger than the sum of its proper divisors (17026966).

18162064 is a wasteful number, since it uses less digits than its factorization.

18162064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135137 (or 1135131 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18162064 is about 4261.6973144511. The cubic root of 18162064 is about 262.8583236512.

The spelling of 18162064 in words is "eighteen million, one hundred sixty-two thousand, sixty-four".