65466628 has 18 divisors (see below), whose sum is σ = 120916446. Its totient is φ = 31009824.

The previous prime is 65466623. The next prime is 65466649. The reversal of 65466628 is 82666456.

65466628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 60093504 + 5373124 = 7752^2 + 2318^2 .

It is not an unprimeable number, because it can be changed into a prime (65466623) 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 5 ways as a sum of consecutive naturals, for example, 21225 + ... + 24112.

Almost surely, 2^65466628 is an apocalyptic number.

It is an amenable number.

65466628 is a deficient number, since it is larger than the sum of its proper divisors (55449818).

65466628 is a wasteful number, since it uses less digits than its factorization.

65466628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45379 (or 45358 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 65466628 is about 8091.1450363963. The cubic root of 65466628 is about 403.0324278593.

The spelling of 65466628 in words is "sixty-five million, four hundred sixty-six thousand, six hundred twenty-eight".