65079616 has 28 divisors (see below), whose sum is σ = 147592288. Its totient is φ = 27891072.

The previous prime is 65079611. The next prime is 65079629. The reversal of 65079616 is 61697056.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65079611) 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, 72186 + ... + 73081.

Almost surely, 2^65079616 is an apocalyptic number.

It is an amenable number.

65079616 is an abundant number, since it is smaller than the sum of its proper divisors (82512672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65079616 is a wasteful number, since it uses less digits than its factorization.

65079616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145286 (or 145276 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 65079616 is about 8067.1938119770. The cubic root of 65079616 is about 402.2366699576.

The spelling of 65079616 in words is "sixty-five million, seventy-nine thousand, six hundred sixteen".