3253604712666 has 192 divisors, whose sum is σ = 8471096605440. Its totient is φ = 814515609600.

The previous prime is 3253604712647. The next prime is 3253604712671. The reversal of 3253604712666 is 6662174063523.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85017976 + ... + 85056236.

It is an arithmetic number, because the mean of its divisors is an integer number (44120294820).

Almost surely, 2^{3253604712666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3253604712666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4235548302720).

3253604712666 is an abundant number, since it is smaller than the sum of its proper divisors (5217491892774).

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

3253604712666 is a wasteful number, since it uses less digits than its factorization.

3253604712666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38901 (or 38890 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 51.

The spelling of 3253604712666 in words is "three trillion, two hundred fifty-three billion, six hundred four million, seven hundred twelve thousand, six hundred sixty-six".