3325327661 has 8 divisors (see below), whose sum is σ = 3354678264. Its totient is φ = 3296102400.

The previous prime is 3325327657. The next prime is 3325327771. The reversal of 3325327661 is 1667235233.

3325327661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93973636 + 3231354025 = 9694^2 + 56845^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3325327661 - 2² = 3325327657 is a prime.

It is a super-2 number, since 2×3325327661² = 22115608106023461842, 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 (3325327361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22361 + ... + 84561.

It is an arithmetic number, because the mean of its divisors is an integer number (419334783).

Almost surely, 2^3325327661 is an apocalyptic number.

It is an amenable number.

3325327661 is a deficient number, since it is larger than the sum of its proper divisors (29350603).

3325327661 is a wasteful number, since it uses less digits than its factorization.

3325327661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62671.

The product of its digits is 136080, while the sum is 38.

The square root of 3325327661 is about 57665.6540845589. The cubic root of 3325327661 is about 1492.6047349172.

The spelling of 3325327661 in words is "three billion, three hundred twenty-five million, three hundred twenty-seven thousand, six hundred sixty-one".