65196791 has 8 divisors (see below), whose sum is σ = 71194368. Its totient is φ = 59211000.

The previous prime is 65196787. The next prime is 65196823. The reversal of 65196791 is 19769156.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65196791 - 2² = 65196787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65196721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11906 + ... + 16496.

It is an arithmetic number, because the mean of its divisors is an integer number (8899296).

Almost surely, 2^65196791 is an apocalyptic number.

65196791 is a deficient number, since it is larger than the sum of its proper divisors (5997577).

65196791 is a wasteful number, since it uses less digits than its factorization.

65196791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893.

The product of its digits is 102060, while the sum is 44.

The square root of 65196791 is about 8074.4529845681. The cubic root of 65196791 is about 402.4779325118.

The spelling of 65196791 in words is "sixty-five million, one hundred ninety-six thousand, seven hundred ninety-one".