36662018 has 4 divisors (see below), whose sum is σ = 54993030. Its totient is φ = 18331008.

The previous prime is 36661993. The next prime is 36662027. The reversal of 36662018 is 81026663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81026663 = 43 ⋅1884341.

It can be written as a sum of positive squares in only one way, i.e., 32069569 + 4592449 = 5663^2 + 2143^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9165503 + ... + 9165506.

Almost surely, 2^36662018 is an apocalyptic number.

36662018 is a deficient number, since it is larger than the sum of its proper divisors (18331012).

36662018 is a wasteful number, since it uses less digits than its factorization.

36662018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18331011.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 36662018 is about 6054.9168450112. The cubic root of 36662018 is about 332.2044574558.

The spelling of 36662018 in words is "thirty-six million, six hundred sixty-two thousand, eighteen".