2416661 has 4 divisors (see below), whose sum is σ = 2602572. Its totient is φ = 2230752.

The previous prime is 2416649. The next prime is 2416681. The reversal of 2416661 is 1666142.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 1918225 = 706^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2416661 - 2⁶ = 2416597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2416661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2416681) 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, 92936 + ... + 92961.

It is an arithmetic number, because the mean of its divisors is an integer number (650643).

2^2416661 is an apocalyptic number.

It is an amenable number.

2416661 is a deficient number, since it is larger than the sum of its proper divisors (185911).

2416661 is a wasteful number, since it uses less digits than its factorization.

2416661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185910.

The product of its digits is 1728, while the sum is 26.

The square root of 2416661 is about 1554.5613529224. The cubic root of 2416661 is about 134.1956931312.

The spelling of 2416661 in words is "two million, four hundred sixteen thousand, six hundred sixty-one".