65316172 has 6 divisors (see below), whose sum is σ = 114303308. Its totient is φ = 32658084.

The previous prime is 65316169. The next prime is 65316217. The reversal of 65316172 is 27161356.

65316172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8164518 + ... + 8164525.

Almost surely, 2^65316172 is an apocalyptic number.

It is an amenable number.

65316172 is a deficient number, since it is larger than the sum of its proper divisors (48987136).

65316172 is a wasteful number, since it uses less digits than its factorization.

65316172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16329047 (or 16329045 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 65316172 is about 8081.8421167454. The cubic root of 65316172 is about 402.7234401015.

The spelling of 65316172 in words is "sixty-five million, three hundred sixteen thousand, one hundred seventy-two".