3371660581 has 4 divisors (see below), whose sum is σ = 3372194700. Its totient is φ = 3371126464.

The previous prime is 3371660569. The next prime is 3371660653. The reversal of 3371660581 is 1850661733.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1850661733 = 977 ⋅1894229.

It can be written as a sum of positive squares in 2 ways, for example, as 9400356 + 3362260225 = 3066^2 + 57985^2 .

It is a cyclic number.

It is not a de Polignac number, because 3371660581 - 2⁵ = 3371660549 is a prime.

It is a super-2 number, since 2×3371660581² = 22736190146938515122, 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 (3371660521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257476 + ... + 270253.

It is an arithmetic number, because the mean of its divisors is an integer number (843048675).

Almost surely, 2^3371660581 is an apocalyptic number.

It is an amenable number.

3371660581 is a deficient number, since it is larger than the sum of its proper divisors (534119).

3371660581 is an equidigital number, since it uses as much as digits as its factorization.

3371660581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534118.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3371660581 is about 58066.0019374505. The cubic root of 3371660581 is about 1499.5051079985.

The spelling of 3371660581 in words is "three billion, three hundred seventy-one million, six hundred sixty thousand, five hundred eighty-one".