66030318 has 48 divisors (see below), whose sum is σ = 146175120. Its totient is φ = 21537792.

The previous prime is 66030299. The next prime is 66030323. The reversal of 66030318 is 81303066.

It is a super-2 number, since 2×66030318² = 8720005790362248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66030291 and 66030300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288228 + ... + 288456.

It is an arithmetic number, because the mean of its divisors is an integer number (3045315).

Almost surely, 2^66030318 is an apocalyptic number.

66030318 is an abundant number, since it is smaller than the sum of its proper divisors (80144802).

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

66030318 is a wasteful number, since it uses less digits than its factorization.

66030318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66030318 is about 8125.9041343102. The cubic root of 66030318 is about 404.1858725465.

The spelling of 66030318 in words is "sixty-six million, thirty thousand, three hundred eighteen".