9650122173666 has 160 divisors (see below), whose sum is σ = 23687519929920. Its totient is φ = 2918194045056.

The previous prime is 9650122173613. The next prime is 9650122173667. The reversal of 9650122173666 is 6663712210569.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9650122173667) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 662639301 + ... + 662653863.

It is an arithmetic number, because the mean of its divisors is an integer number (148046999562).

Almost surely, 2^{9650122173666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9650122173666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11843759964960).

9650122173666 is an abundant number, since it is smaller than the sum of its proper divisors (14037397756254).

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

9650122173666 is a wasteful number, since it uses less digits than its factorization.

9650122173666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19982 (or 19973 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 9650122173666 in words is "nine trillion, six hundred fifty billion, one hundred twenty-two million, one hundred seventy-three thousand, six hundred sixty-six".