66200465 has 32 divisors (see below), whose sum is σ = 89424000. Its totient is φ = 46752768.

The previous prime is 66200447. The next prime is 66200467. The reversal of 66200465 is 56400266.

66200465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66200465 - 2²⁴ = 49423249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66200467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288971 + ... + 289199.

It is an arithmetic number, because the mean of its divisors is an integer number (2794500).

Almost surely, 2^66200465 is an apocalyptic number.

It is an amenable number.

66200465 is a deficient number, since it is larger than the sum of its proper divisors (23223535).

66200465 is a wasteful number, since it uses less digits than its factorization.

66200465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 66200465 is about 8136.3668181812. The cubic root of 66200465 is about 404.5327436527.

The spelling of 66200465 in words is "sixty-six million, two hundred thousand, four hundred sixty-five".