65516938 has 8 divisors (see below), whose sum is σ = 98785188. Its totient is φ = 32588544.

The previous prime is 65516911. The next prime is 65516951. The reversal of 65516938 is 83961556.

It can be written as a sum of positive squares in 2 ways, for example, as 54804409 + 10712529 = 7403^2 + 3273^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 65516894 and 65516903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84481 + ... + 85252.

Almost surely, 2^65516938 is an apocalyptic number.

65516938 is a deficient number, since it is larger than the sum of its proper divisors (33268250).

65516938 is a wasteful number, since it uses less digits than its factorization.

65516938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169928.

The product of its digits is 194400, while the sum is 43.

The square root of 65516938 is about 8094.2533936120. The cubic root of 65516938 is about 403.1356426331.

The spelling of 65516938 in words is "sixty-five million, five hundred sixteen thousand, nine hundred thirty-eight".