3118661 has 16 divisors (see below), whose sum is σ = 3932544. Its totient is φ = 2407104.

The previous prime is 3118657. The next prime is 3118663. The reversal of 3118661 is 1668113.

It is not a de Polignac number, because 3118661 - 2² = 3118657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3118661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3118663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3515 + ... + 4311.

It is an arithmetic number, because the mean of its divisors is an integer number (245784).

Almost surely, 2^3118661 is an apocalyptic number.

It is an amenable number.

3118661 is a deficient number, since it is larger than the sum of its proper divisors (813883).

3118661 is a wasteful number, since it uses less digits than its factorization.

3118661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860.

The product of its digits is 864, while the sum is 26.

The square root of 3118661 is about 1765.9731028529. The cubic root of 3118661 is about 146.1019648016.

The spelling of 3118661 in words is "three million, one hundred eighteen thousand, six hundred sixty-one".