3318578481 has 8 divisors (see below), whose sum is σ = 4426182880. Its totient is φ = 2211679872.

The previous prime is 3318578477. The next prime is 3318578503. The reversal of 3318578481 is 1848758133.

It is a happy number.

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

It is not a de Polignac number, because 3318578481 - 2² = 3318578477 is a prime.

It is a super-2 number, since 2×3318578481² = 22025926269112534722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3318578481.

It is not an unprimeable number, because it can be changed into a prime (3318578281) 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, 165376 + ... + 184353.

It is an arithmetic number, because the mean of its divisors is an integer number (553272860).

Almost surely, 2^3318578481 is an apocalyptic number.

It is an amenable number.

3318578481 is a deficient number, since it is larger than the sum of its proper divisors (1107604399).

3318578481 is a wasteful number, since it uses less digits than its factorization.

3318578481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352895.

The product of its digits is 645120, while the sum is 48.

The square root of 3318578481 is about 57607.1044316584. The cubic root of 3318578481 is about 1491.5942398979.

The spelling of 3318578481 in words is "three billion, three hundred eighteen million, five hundred seventy-eight thousand, four hundred eighty-one".