8655521364 has 144 divisors (see below), whose sum is σ = 26577940480. Its totient is φ = 2319969600.

The previous prime is 8655521359. The next prime is 8655521401. The reversal of 8655521364 is 4631255568.

8655521364 is a `hidden beast` number, since 8 + 65 + 5 + 521 + 3 + 64 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484389 + ... + 501939.

Almost surely, 2^8655521364 is an apocalyptic number.

8655521364 is a gapful number since it is divisible by the number (84) 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 8655521364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13288970240).

8655521364 is an abundant number, since it is smaller than the sum of its proper divisors (17922419116).

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

8655521364 is a wasteful number, since it uses less digits than its factorization.

8655521364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690 (or 17685 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 8655521364 is about 93035.0544902296. The cubic root of 8655521364 is about 2053.1991583091.

The spelling of 8655521364 in words is "eight billion, six hundred fifty-five million, five hundred twenty-one thousand, three hundred sixty-four".