65163938 has 8 divisors (see below), whose sum is σ = 111709632. Its totient is φ = 27927396.

The previous prime is 65163937. The next prime is 65163947. The reversal of 65163938 is 83936156.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65163895 and 65163904.

It is not an unprimeable number, because it can be changed into a prime (65163937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327270 + ... + 2327297.

It is an arithmetic number, because the mean of its divisors is an integer number (13963704).

Almost surely, 2^65163938 is an apocalyptic number.

65163938 is a deficient number, since it is larger than the sum of its proper divisors (46545694).

65163938 is a wasteful number, since it uses less digits than its factorization.

65163938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654576.

The product of its digits is 116640, while the sum is 41.

The square root of 65163938 is about 8072.4183489212. The cubic root of 65163938 is about 402.4103175832.

The spelling of 65163938 in words is "sixty-five million, one hundred sixty-three thousand, nine hundred thirty-eight".