611006611666 has 8 divisors (see below), whose sum is σ = 999829000944. Its totient is φ = 277730278020.

The previous prime is 611006611651. The next prime is 611006611679. The reversal of 611006611666 is 666116600116.

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

It is a super-2 number, since 2×611006611666² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13886513880 + ... + 13886513923.

It is an arithmetic number, because the mean of its divisors is an integer number (124978625118).

Almost surely, 2^611006611666 is an apocalyptic number.

611006611666 is a deficient number, since it is larger than the sum of its proper divisors (388822389278).

611006611666 is a wasteful number, since it uses less digits than its factorization.

611006611666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27773027816.

The product of its (nonzero) digits is 46656, while the sum is 40.

It can be divided in two parts, 61100 and 6611666, that added together give a palindrome (6672766).

The spelling of 611006611666 in words is "six hundred eleven billion, six million, six hundred eleven thousand, six hundred sixty-six".