9669606102640 has 80 divisors (see below), whose sum is σ = 24632736662880. Its totient is φ = 3500865653760.

The previous prime is 9669606102623. The next prime is 9669606102641. The reversal of 9669606102640 is 462016069669.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9669606102641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23790159 + ... + 24193198.

It is an arithmetic number, because the mean of its divisors is an integer number (307909208286).

Almost surely, 2^{9669606102640} is an apocalyptic number.

It is an amenable number.

9669606102640 is an abundant number, since it is smaller than the sum of its proper divisors (14963130560240).

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

9669606102640 is a wasteful number, since it uses less digits than its factorization.

9669606102640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47983610 (or 47983604 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 9669606102640 in words is "nine trillion, six hundred sixty-nine billion, six hundred six million, one hundred two thousand, six hundred forty".