6616690966166 has 16 divisors (see below), whose sum is σ = 10295255355840. Its totient is φ = 3185560875840.

The previous prime is 6616690966159. The next prime is 6616690966187.

6616690966166 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6616690966096 and 6616690966105.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 155402255 + ... + 155444826.

It is an arithmetic number, because the mean of its divisors is an integer number (643453459740).

Almost surely, 2^{6616690966166} is an apocalyptic number.

6616690966166 is a deficient number, since it is larger than the sum of its proper divisors (3678564389674).

6616690966166 is a wasteful number, since it uses less digits than its factorization.

6616690966166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310847479.

The product of its (nonzero) digits is 136048896, while the sum is 68.

The spelling of 6616690966166 in words is "six trillion, six hundred sixteen billion, six hundred ninety million, nine hundred sixty-six thousand, one hundred sixty-six".