8650555996992 has 448 divisors, whose sum is σ = 29415304826880. Its totient is φ = 2180729143296.

The previous prime is 8650555996963. The next prime is 8650555997021. The reversal of 8650555996992 is 2996995550568.

It is an interprime number because it is at equal distance from previous prime (8650555996963) and next prime (8650555997021).

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×8650555996992² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 634523808 + ... + 634537440.

It is an arithmetic number, because the mean of its divisors is an integer number (65659162560).

Almost surely, 2^{8650555996992} 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 8650555996992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14707652413440).

8650555996992 is an abundant number, since it is smaller than the sum of its proper divisors (20764748829888).

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

8650555996992 is a wasteful number, since it uses less digits than its factorization.

8650555996992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270 (or 15260 counting only the distinct ones).

The product of its (nonzero) digits is 2361960000, while the sum is 78.

The spelling of 8650555996992 in words is "eight trillion, six hundred fifty billion, five hundred fifty-five million, nine hundred ninety-six thousand, nine hundred ninety-two".