3346421661 has 32 divisors (see below), whose sum is σ = 5726505600. Its totient is φ = 1908829440.

The previous prime is 3346421653. The next prime is 3346421669. The reversal of 3346421661 is 1661246433.

3346421661 is a `hidden beast` number, since 3 + 3 + 4 + 642 + 1 + 6 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3346421653) and next prime (3346421669).

It is not a de Polignac number, because 3346421661 - 2³ = 3346421653 is a prime.

It is a super-2 number, since 2×3346421661² = 22397075866419997842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3346421669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326346 + ... + 336443.

It is an arithmetic number, because the mean of its divisors is an integer number (178953300).

Almost surely, 2^3346421661 is an apocalyptic number.

It is an amenable number.

3346421661 is a deficient number, since it is larger than the sum of its proper divisors (2380083939).

3346421661 is a wasteful number, since it uses less digits than its factorization.

3346421661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662826 (or 662820 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 3346421661 is about 57848.2641139732. The cubic root of 3346421661 is about 1495.7541652642.

The spelling of 3346421661 in words is "three billion, three hundred forty-six million, four hundred twenty-one thousand, six hundred sixty-one".