3390665712 has 80 divisors (see below), whose sum is σ = 10026382080. Its totient is φ = 967228416.

The previous prime is 3390665711. The next prime is 3390665743. The reversal of 3390665712 is 2175660933.

3390665712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3390665712² = 22993227941064933888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390665711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213768 + ... + 229080.

It is an arithmetic number, because the mean of its divisors is an integer number (125329776).

Almost surely, 2^3390665712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3390665712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5013191040).

3390665712 is an abundant number, since it is smaller than the sum of its proper divisors (6635716368).

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

3390665712 is a wasteful number, since it uses less digits than its factorization.

3390665712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990 (or 15984 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 3390665712 is about 58229.4230780282. The cubic root of 3390665712 is about 1502.3172645688.

The spelling of 3390665712 in words is "three billion, three hundred ninety million, six hundred sixty-five thousand, seven hundred twelve".