65914103808 has 1008 divisors, whose sum is σ = 247979162340. Its totient is φ = 17390370816.

The previous prime is 65914103797. The next prime is 65914103809. The reversal of 65914103808 is 80830141956.

It can be written as a sum of positive squares in 2 ways, for example, as 61488129024 + 4425974784 = 247968^2 + 66528^2 .

It is a tau number, because it is divible by the number of its divisors (1008).

It is not an unprimeable number, because it can be changed into a prime (65914103809) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1243662310 + ... + 1243662362.

Almost surely, 2^65914103808 is an apocalyptic number.

65914103808 is a gapful number since it is divisible by the number (68) 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 65914103808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123989581170).

65914103808 is an abundant number, since it is smaller than the sum of its proper divisors (182065058532).

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

65914103808 is an equidigital number, since it uses as much as digits as its factorization.

65914103808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 65914103808 in words is "sixty-five billion, nine hundred fourteen million, one hundred three thousand, eight hundred eight".