3391205666688 has 144 divisors (see below), whose sum is σ = 11351779999560. Its totient is φ = 968915888640.

The previous prime is 3391205666671. The next prime is 3391205666713. The reversal of 3391205666688 is 8866665021933.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29981868 + ... + 30094763.

Almost surely, 2^{3391205666688} is an apocalyptic number.

It is an amenable number.

3391205666688 is an abundant number, since it is smaller than the sum of its proper divisors (7960574332872).

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

3391205666688 is a wasteful number, since it uses less digits than its factorization.

3391205666688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60076665 (or 60076643 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 3391205666688 in words is "three trillion, three hundred ninety-one billion, two hundred five million, six hundred sixty-six thousand, six hundred eighty-eight".