2016166516511 has 12 divisors (see below), whose sum is σ = 2483297535168. Its totient is φ = 1626487273152.

The previous prime is 2016166516451. The next prime is 2016166516513. The reversal of 2016166516511 is 1156156616102.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2016166516511 is a prime.

It is a super-2 number, since 2×2016166516511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016166516513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210183151 + ... + 1210184816.

It is an arithmetic number, because the mean of its divisors is an integer number (206941461264).

Almost surely, 2^{2016166516511} is an apocalyptic number.

2016166516511 is a deficient number, since it is larger than the sum of its proper divisors (467131018657).

2016166516511 is a wasteful number, since it uses less digits than its factorization.

2016166516511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420367998 (or 2420367991 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 2016166516511 in words is "two trillion, sixteen billion, one hundred sixty-six million, five hundred sixteen thousand, five hundred eleven".