9615855465216 has 2304 divisors, whose sum is σ = 40503773184000. Its totient is φ = 2167107747840.

The previous prime is 9615855465199. The next prime is 9615855465221. The reversal of 9615855465216 is 6125645585169.

9615855465216 is a `hidden beast` number, since 9 + 6 + 1 + 5 + 8 + 554 + 65 + 2 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 25371650115 + ... + 25371650493.

Almost surely, 2^{9615855465216} is an apocalyptic number.

9615855465216 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9615855465216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20251886592000).

9615855465216 is an abundant number, since it is smaller than the sum of its proper divisors (30887917718784).

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

9615855465216 is a wasteful number, since it uses less digits than its factorization.

9615855465216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 627 counting only the distinct ones).

The product of its digits is 77760000, while the sum is 63.

The spelling of 9615855465216 in words is "nine trillion, six hundred fifteen billion, eight hundred fifty-five million, four hundred sixty-five thousand, two hundred sixteen".