9621168290736 has 40 divisors (see below), whose sum is σ = 24859330281984. Its totient is φ = 3206456673600.

The previous prime is 9621168290677. The next prime is 9621168290737. The reversal of 9621168290736 is 6370928611269.

It is a self number, because there is not a number n which added to its sum of digits gives 9621168290736.

It is not an unprimeable number, because it can be changed into a prime (9621168290737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18472456 + ... + 18986151.

Almost surely, 2^{9621168290736} is an apocalyptic number.

It is an amenable number.

9621168290736 is an abundant number, since it is smaller than the sum of its proper divisors (15238161991248).

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

9621168290736 is a wasteful number, since it uses less digits than its factorization.

9621168290736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37463969 (or 37463963 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 9621168290736 in words is "nine trillion, six hundred twenty-one billion, one hundred sixty-eight million, two hundred ninety thousand, seven hundred thirty-six".