6661613102 has 8 divisors (see below), whose sum is σ = 10129302336. Its totient is φ = 3285178992.

The previous prime is 6661613071. The next prime is 6661613107. The reversal of 6661613102 is 2013161666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661613107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22813598 + ... + 22813889.

It is an arithmetic number, because the mean of its divisors is an integer number (1266162792).

Almost surely, 2^6661613102 is an apocalyptic number.

6661613102 is a deficient number, since it is larger than the sum of its proper divisors (3467689234).

6661613102 is a wasteful number, since it uses less digits than its factorization.

6661613102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45627562.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6661613102 is about 81618.7055888538. The cubic root of 6661613102 is about 1881.5963789055.

Adding to 6661613102 its reverse (2013161666), we get a palindrome (8674774768).

The spelling of 6661613102 in words is "six billion, six hundred sixty-one million, six hundred thirteen thousand, one hundred two".