108664141685439 has 8 divisors (see below), whose sum is σ = 146926163405952. Its totient is φ = 71422440544280.

The previous prime is 108664141685383. The next prime is 108664141685443. The reversal of 108664141685439 is 934586141466801.

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

It is a cyclic number.

It is not a de Polignac number, because 108664141685439 - 2²⁷ = 108664007467711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108664141685439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108664145685439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255080144589 + ... + 255080145014.

It is an arithmetic number, because the mean of its divisors is an integer number (18365770425744).

Almost surely, 2^{108664141685439} is an apocalyptic number.

108664141685439 is a deficient number, since it is larger than the sum of its proper divisors (38262021720513).

108664141685439 is an equidigital number, since it uses as much as digits as its factorization.

108664141685439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510160289677.

The product of its (nonzero) digits is 119439360, while the sum is 66.

The spelling of 108664141685439 in words is "one hundred eight trillion, six hundred sixty-four billion, one hundred forty-one million, six hundred eighty-five thousand, four hundred thirty-nine".