2316661 has 4 divisors (see below), whose sum is σ = 2391424. Its totient is φ = 2241900.

The previous prime is 2316653. The next prime is 2316667. The reversal of 2316661 is 1666132.

2316661 = T₃₇₁ + T₃₇₂ + ... + T₄₀₁.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2316661 - 2³ = 2316653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316667) 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, 37335 + ... + 37396.

It is an arithmetic number, because the mean of its divisors is an integer number (597856).

2^2316661 is an apocalyptic number.

It is an amenable number.

2316661 is a deficient number, since it is larger than the sum of its proper divisors (74763).

2316661 is an equidigital number, since it uses as much as digits as its factorization.

2316661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74762.

The product of its digits is 1296, while the sum is 25.

The square root of 2316661 is about 1522.0581460641. The cubic root of 2316661 is about 132.3185792878.

The spelling of 2316661 in words is "two million, three hundred sixteen thousand, six hundred sixty-one".