2116666146 has 64 divisors (see below), whose sum is σ = 4892912640. Its totient is φ = 597948480.

The previous prime is 2116666133. The next prime is 2116666151. The reversal of 2116666146 is 6416666112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791676 + ... + 1792856.

It is an arithmetic number, because the mean of its divisors is an integer number (76451760).

Almost surely, 2^2116666146 is an apocalyptic number.

2116666146 is an abundant number, since it is smaller than the sum of its proper divisors (2776246494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116666146 is a wasteful number, since it uses less digits than its factorization.

2116666146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its digits is 62208, while the sum is 39.

The square root of 2116666146 is about 46007.2401476115. The cubic root of 2116666146 is about 1283.9579122179.

The spelling of 2116666146 in words is "two billion, one hundred sixteen million, six hundred sixty-six thousand, one hundred forty-six".