65378183 has 12 divisors (see below), whose sum is σ = 74313288. Its totient is φ = 57168720.

The previous prime is 65378113. The next prime is 65378191. The reversal of 65378183 is 38187356.

It is not a de Polignac number, because 65378183 - 2¹⁰ = 65377159 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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 65378183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65378113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2273 + ... + 11658.

It is an arithmetic number, because the mean of its divisors is an integer number (6192774).

Almost surely, 2^65378183 is an apocalyptic number.

65378183 is a deficient number, since it is larger than the sum of its proper divisors (8935105).

65378183 is a wasteful number, since it uses less digits than its factorization.

65378183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13982 (or 13963 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 65378183 is about 8085.6776463077. The cubic root of 65378183 is about 402.8508479775.

The spelling of 65378183 in words is "sixty-five million, three hundred seventy-eight thousand, one hundred eighty-three".