2146668776 has 32 divisors (see below), whose sum is σ = 4607064000. Its totient is φ = 918589056.

The previous prime is 2146668767. The next prime is 2146668779. The reversal of 2146668776 is 6778666412.

It is not an unprimeable number, because it can be changed into a prime (2146668779) by changing a digit.

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, 7820 + ... + 65988.

It is an arithmetic number, because the mean of its divisors is an integer number (143970750).

Almost surely, 2^2146668776 is an apocalyptic number.

It is an amenable number.

2146668776 is an abundant number, since it is smaller than the sum of its proper divisors (2460395224).

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

2146668776 is a wasteful number, since it uses less digits than its factorization.

2146668776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58841 (or 58837 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The square root of 2146668776 is about 46332.1570402242. The cubic root of 2146668776 is about 1289.9959489487.

The spelling of 2146668776 in words is "two billion, one hundred forty-six million, six hundred sixty-eight thousand, seven hundred seventy-six".