8660418640431 has 8 divisors (see below), whose sum is σ = 11549480632320. Its totient is φ = 5772484537752.

The previous prime is 8660418640411. The next prime is 8660418640463. The reversal of 8660418640431 is 1340468140668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8660418640431 - 2⁹ = 8660418639919 is a prime.

It is a super-2 number, since 2×8660418640431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8660418640411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 281954385 + ... + 281985098.

It is an arithmetic number, because the mean of its divisors is an integer number (1443685079040).

Almost surely, 2^{8660418640431} is an apocalyptic number.

8660418640431 is a deficient number, since it is larger than the sum of its proper divisors (2889061991889).

8660418640431 is a wasteful number, since it uses less digits than its factorization.

8660418640431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563944605.

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 8660418640431 in words is "eight trillion, six hundred sixty billion, four hundred eighteen million, six hundred forty thousand, four hundred thirty-one".