9665067501 has 20 divisors (see below), whose sum is σ = 14903684224. Its totient is φ = 6235525800.

The previous prime is 9665067499. The next prime is 9665067541. The reversal of 9665067501 is 1057605669.

9665067501 is a `hidden beast` number, since 96 + 6 + 50 + 6 + 7 + 501 = 666.

It is not a de Polignac number, because 9665067501 - 2¹ = 9665067499 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 (9665067541) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1922035 + ... + 1927056.

Almost surely, 2^9665067501 is an apocalyptic number.

It is an amenable number.

9665067501 is a deficient number, since it is larger than the sum of its proper divisors (5238616723).

9665067501 is a wasteful number, since it uses less digits than its factorization.

9665067501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849134 (or 3849125 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 9665067501 is about 98311.0751695861. The cubic root of 9665067501 is about 2130.1080345918.

The spelling of 9665067501 in words is "nine billion, six hundred sixty-five million, sixty-seven thousand, five hundred one".