8662209297120 has 1344 divisors, whose sum is σ = 34999233857280. Its totient is φ = 2011346878464.

The previous prime is 8662209297113. The next prime is 8662209297169. The reversal of 8662209297120 is 217929022668.

8662209297120 is a `hidden beast` number, since 8 + 6 + 6 + 220 + 9 + 297 + 120 = 666.

It is a super-2 number, since 2×8662209297120² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 1620010287 + ... + 1620015633.

It is an arithmetic number, because the mean of its divisors is an integer number (26041096620).

Almost surely, 2^{8662209297120} is an apocalyptic number.

8662209297120 is a gapful number since it is divisible by the number (80) 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 8662209297120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17499616928640).

8662209297120 is an abundant number, since it is smaller than the sum of its proper divisors (26337024560160).

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

8662209297120 is a wasteful number, since it uses less digits than its factorization.

8662209297120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 8662209297120 in words is "eight trillion, six hundred sixty-two billion, two hundred nine million, two hundred ninety-seven thousand, one hundred twenty".