65650607 has 6 divisors (see below), whose sum is σ = 72161544. Its totient is φ = 59682260.

The previous prime is 65650601. The next prime is 65650631. The reversal of 65650607 is 70605656.

It is a de Polignac number, because none of the positive numbers 2^k-65650607 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 (65650601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271163 + ... + 271404.

It is an arithmetic number, because the mean of its divisors is an integer number (12026924).

Almost surely, 2^65650607 is an apocalyptic number.

65650607 is a deficient number, since it is larger than the sum of its proper divisors (6510937).

65650607 is a wasteful number, since it uses less digits than its factorization.

65650607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542589 (or 542578 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 65650607 is about 8102.5062172145. The cubic root of 65650607 is about 403.4096182614.

The spelling of 65650607 in words is "sixty-five million, six hundred fifty thousand, six hundred seven".