8664131174400 has 1944 divisors, whose sum is σ = 35827557764544. Its totient is φ = 2063912140800.

The previous prime is 8664131174393. The next prime is 8664131174437. The reversal of 8664131174400 is 44711314668.

8664131174400 is a `hidden beast` number, since 8 + 6 + 6 + 41 + 31 + 174 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (1944).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 279488102385 + ... + 279488102415.

Almost surely, 2^{8664131174400} is an apocalyptic number.

8664131174400 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 8664131174400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17913778882272).

8664131174400 is an abundant number, since it is smaller than the sum of its proper divisors (27163426590144).

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

8664131174400 is an frugal number, since it uses more digits than its factorization.

8664131174400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 8664131174400 in words is "eight trillion, six hundred sixty-four billion, one hundred thirty-one million, one hundred seventy-four thousand, four hundred".