909668665152 has 336 divisors, whose sum is σ = 2854427372160. Its totient is φ = 275280850944.

The previous prime is 909668665141. The next prime is 909668665153. The reversal of 909668665152 is 251566866909.

It is a self number, because there is not a number n which added to its sum of digits gives 909668665152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909668665153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461057638 + ... + 461059610.

It is an arithmetic number, because the mean of its divisors is an integer number (8495319560).

Almost surely, 2^909668665152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 909668665152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427213686080).

909668665152 is an abundant number, since it is smaller than the sum of its proper divisors (1944758707008).

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

909668665152 is a wasteful number, since it uses less digits than its factorization.

909668665152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 63.

The spelling of 909668665152 in words is "nine hundred nine billion, six hundred sixty-eight million, six hundred sixty-five thousand, one hundred fifty-two".