6665016111 has 8 divisors (see below), whose sum is σ = 9570279600. Its totient is φ = 4101548352.

The previous prime is 6665016103. The next prime is 6665016119. The reversal of 6665016111 is 1116105666.

It is an interprime number because it is at equal distance from previous prime (6665016103) and next prime (6665016119).

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

It is not a de Polignac number, because 6665016111 - 2³ = 6665016103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665016119) 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, 85448886 + ... + 85448963.

It is an arithmetic number, because the mean of its divisors is an integer number (1196284950).

Almost surely, 2^6665016111 is an apocalyptic number.

6665016111 is a deficient number, since it is larger than the sum of its proper divisors (2905263489).

6665016111 is a wasteful number, since it uses less digits than its factorization.

6665016111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170897865.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 6665016111 is about 81639.5499191415. The cubic root of 6665016111 is about 1881.9167217068.

The spelling of 6665016111 in words is "six billion, six hundred sixty-five million, sixteen thousand, one hundred eleven".