6616650115 has 16 divisors (see below), whose sum is σ = 8094489408. Its totient is φ = 5190430336.

The previous prime is 6616650113. The next prime is 6616650119. The reversal of 6616650115 is 5110566166.

It is a cyclic number.

It is not a de Polignac number, because 6616650115 - 2¹ = 6616650113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6616650113) 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, 522954 + ... + 535456.

It is an arithmetic number, because the mean of its divisors is an integer number (505905588).

Almost surely, 2^6616650115 is an apocalyptic number.

6616650115 is a deficient number, since it is larger than the sum of its proper divisors (1477839293).

6616650115 is a wasteful number, since it uses less digits than its factorization.

6616650115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14558.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6616650115 is about 81342.7938725982. The cubic root of 6616650115 is about 1877.3534999989.

It can be divided in two parts, 66166 and 50115, that added together give a square (116281 = 341²).

The spelling of 6616650115 in words is "six billion, six hundred sixteen million, six hundred fifty thousand, one hundred fifteen".