2066401369088 has 132 divisors (see below), whose sum is σ = 4816346702832. Its totient is φ = 883546030080.

The previous prime is 2066401369063. The next prime is 2066401369117. The reversal of 2066401369088 is 8809631046602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21678653 + ... + 21773763.

Almost surely, 2^{2066401369088} is an apocalyptic number.

2066401369088 is a gapful number since it is divisible by the number (28) 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 2066401369088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408173351416).

2066401369088 is an abundant number, since it is smaller than the sum of its proper divisors (2749945333744).

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

2066401369088 is an equidigital number, since it uses as much as digits as its factorization.

2066401369088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95578 (or 95553 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 2066401369088 in words is "two trillion, sixty-six billion, four hundred one million, three hundred sixty-nine thousand, eighty-eight".