65191316 has 6 divisors (see below), whose sum is σ = 114084810. Its totient is φ = 32595656.

The previous prime is 65191297. The next prime is 65191319. The reversal of 65191316 is 61319156.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61936900 + 3254416 = 7870^2 + 1804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65191319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8148911 + ... + 8148918.

It is an arithmetic number, because the mean of its divisors is an integer number (19014135).

Almost surely, 2^65191316 is an apocalyptic number.

It is an amenable number.

65191316 is a deficient number, since it is larger than the sum of its proper divisors (48893494).

65191316 is a wasteful number, since it uses less digits than its factorization.

65191316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297833 (or 16297831 counting only the distinct ones).

The product of its digits is 4860, while the sum is 32.

The square root of 65191316 is about 8074.1139451955. The cubic root of 65191316 is about 402.4666659636.

The spelling of 65191316 in words is "sixty-five million, one hundred ninety-one thousand, three hundred sixteen".