2646660046 has 16 divisors (see below), whose sum is σ = 4047244704. Its totient is φ = 1297607584.

The previous prime is 2646660007. The next prime is 2646660053. The reversal of 2646660046 is 6400666462.

It is a super-3 number, since 3×2646660046³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2646659990 and 2646660008.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 205431 + ... + 217933.

It is an arithmetic number, because the mean of its divisors is an integer number (252952794).

Almost surely, 2^2646660046 is an apocalyptic number.

2646660046 is a deficient number, since it is larger than the sum of its proper divisors (1400584658).

2646660046 is a wasteful number, since it uses less digits than its factorization.

2646660046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14555.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 2646660046 is about 51445.6999757997. The cubic root of 2646660046 is about 1383.2458856158.

The spelling of 2646660046 in words is "two billion, six hundred forty-six million, six hundred sixty thousand, forty-six".