3361665642 has 8 divisors (see below), whose sum is σ = 6723331296. Its totient is φ = 1120555212.

The previous prime is 3361665617. The next prime is 3361665677. The reversal of 3361665642 is 2465661633.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3361665642 is an admirable number.

It is a super-2 number, since 2×3361665642² = 22601591777206544328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3361665594 and 3361665603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280138798 + ... + 280138809.

It is an arithmetic number, because the mean of its divisors is an integer number (840416412).

Almost surely, 2^3361665642 is an apocalyptic number.

3361665642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3361665642 is a wasteful number, since it uses less digits than its factorization.

3361665642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560277612.

The product of its digits is 466560, while the sum is 42.

The square root of 3361665642 is about 57979.8727318369. The cubic root of 3361665642 is about 1498.0219322007.

The spelling of 3361665642 in words is "three billion, three hundred sixty-one million, six hundred sixty-five thousand, six hundred forty-two".