6616690966167 has 8 divisors (see below), whose sum is σ = 8841559338096. Its totient is φ = 4401474952512.

The previous prime is 6616690966159. The next prime is 6616690966187. The reversal of 6616690966167 is 7616690966166.

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

It is not a de Polignac number, because 6616690966167 - 2³ = 6616690966159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616690966157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413087968 + ... + 2413090709.

It is an arithmetic number, because the mean of its divisors is an integer number (1105194917262).

Almost surely, 2^{6616690966167} is an apocalyptic number.

6616690966167 is a deficient number, since it is larger than the sum of its proper divisors (2224868371929).

6616690966167 is a wasteful number, since it uses less digits than its factorization.

6616690966167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826179137.

The product of its (nonzero) digits is 158723712, while the sum is 69.

Subtracting 6616690966167 from its reverse (7616690966166), we obtain a palindrome (999999999999).

It can be divided in two parts, 6616690 and 966167, that added together give a palindrome (7582857).

The spelling of 6616690966167 in words is "six trillion, six hundred sixteen billion, six hundred ninety million, nine hundred sixty-six thousand, one hundred sixty-seven".