65383066 has 32 divisors (see below), whose sum is σ = 123125760. Its totient is φ = 25389936.

The previous prime is 65383051. The next prime is 65383093. The reversal of 65383066 is 66038356.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775 + ... + 11461.

It is an arithmetic number, because the mean of its divisors is an integer number (3847680).

Almost surely, 2^65383066 is an apocalyptic number.

65383066 is a deficient number, since it is larger than the sum of its proper divisors (57742694).

65383066 is a wasteful number, since it uses less digits than its factorization.

65383066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 65383066 is about 8085.9795943349. The cubic root of 65383066 is about 402.8608771729.

Subtracting from 65383066 its product of nonzero digits (77760), we obtain a triangular number (65305306 = T₁₁₄₂₈).

It can be divided in two parts, 6538 and 3066, that added together give a square (9604 = 98²).

The spelling of 65383066 in words is "sixty-five million, three hundred eighty-three thousand, sixty-six".