3388213661 has 16 divisors (see below), whose sum is σ = 3934128000. Its totient is φ = 2858131008.

The previous prime is 3388213657. The next prime is 3388213687. The reversal of 3388213661 is 1663128833.

3388213661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3388213661 - 2² = 3388213657 is a prime.

It is a super-2 number, since 2×3388213661² = 22959983625174045842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3388213261) 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, 98786 + ... + 128588.

It is an arithmetic number, because the mean of its divisors is an integer number (245883000).

Almost surely, 2^3388213661 is an apocalyptic number.

It is an amenable number.

3388213661 is a deficient number, since it is larger than the sum of its proper divisors (545914339).

3388213661 is a wasteful number, since it uses less digits than its factorization.

3388213661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30068.

The product of its digits is 124416, while the sum is 41.

The square root of 3388213661 is about 58208.3641841961. The cubic root of 3388213661 is about 1501.9550302050.

The spelling of 3388213661 in words is "three billion, three hundred eighty-eight million, two hundred thirteen thousand, six hundred sixty-one".