3102205666 has 8 divisors (see below), whose sum is σ = 5318066880. Its totient is φ = 1329516708.

The previous prime is 3102205657. The next prime is 3102205693. The reversal of 3102205666 is 6665022013.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110793046 + ... + 110793073.

It is an arithmetic number, because the mean of its divisors is an integer number (664758360).

Almost surely, 2^3102205666 is an apocalyptic number.

3102205666 is a deficient number, since it is larger than the sum of its proper divisors (2215861214).

3102205666 is a wasteful number, since it uses less digits than its factorization.

3102205666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221586128.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3102205666 is about 55697.4475716796. The cubic root of 3102205666 is about 1458.4454690053.

Adding to 3102205666 its reverse (6665022013), we get a palindrome (9767227679).

The spelling of 3102205666 in words is "three billion, one hundred two million, two hundred five thousand, six hundred sixty-six".