6660116 has 6 divisors (see below), whose sum is σ = 11655210. Its totient is φ = 3330056.

The previous prime is 6660113. The next prime is 6660119. The reversal of 6660116 is 6110666.

It is an interprime number because it is at equal distance from previous prime (6660113) and next prime (6660119).

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 1552516 = 2260^2 + 1246^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832511 + ... + 832518.

It is an arithmetic number, because the mean of its divisors is an integer number (1942535).

Almost surely, 2^6660116 is an apocalyptic number.

It is an amenable number.

6660116 is a deficient number, since it is larger than the sum of its proper divisors (4995094).

6660116 is a wasteful number, since it uses less digits than its factorization.

6660116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665033 (or 1665031 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 6660116 is about 2580.7200545584. The cubic root of 6660116 is about 188.1455414412.

It can be divided in two parts, 6660 and 116, that added together give a palindrome (6776).

The spelling of 6660116 in words is "six million, six hundred sixty thousand, one hundred sixteen".