66033115 has 8 divisors (see below), whose sum is σ = 82685088. Its totient is φ = 50529600.

The previous prime is 66033109. The next prime is 66033119. The reversal of 66033115 is 51133066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66033115 - 2⁷ = 66032987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66033115.

It is not an unprimeable number, because it can be changed into a prime (66033119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286986 + ... + 287215.

It is an arithmetic number, because the mean of its divisors is an integer number (10335636).

Almost surely, 2^66033115 is an apocalyptic number.

66033115 is a deficient number, since it is larger than the sum of its proper divisors (16651973).

66033115 is a wasteful number, since it uses less digits than its factorization.

66033115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574229.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 66033115 is about 8126.0762364132. The cubic root of 66033115 is about 404.1915794802.

The spelling of 66033115 in words is "sixty-six million, thirty-three thousand, one hundred fifteen".