2646766826 has 24 divisors (see below), whose sum is σ = 4425376032. Its totient is φ = 1186123400.

The previous prime is 2646766813. The next prime is 2646766847. The reversal of 2646766826 is 6286676462.

It is a super-2 number, since 2×2646766826² = 14010749262428228552, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59840 + ... + 94203.

It is an arithmetic number, because the mean of its divisors is an integer number (184390668).

Almost surely, 2^2646766826 is an apocalyptic number.

2646766826 is a deficient number, since it is larger than the sum of its proper divisors (1778609206).

2646766826 is a wasteful number, since it uses less digits than its factorization.

2646766826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154138 (or 154127 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 53.

The square root of 2646766826 is about 51446.7377585790. The cubic root of 2646766826 is about 1383.2644878045.

The spelling of 2646766826 in words is "two billion, six hundred forty-six million, seven hundred sixty-six thousand, eight hundred twenty-six".