2646865316 has 12 divisors (see below), whose sum is σ = 4710523440. Its totient is φ = 1301001480.

The previous prime is 2646865307. The next prime is 2646865363. The reversal of 2646865316 is 6135686462.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607530 + ... + 5608001.

It is an arithmetic number, because the mean of its divisors is an integer number (392543620).

Almost surely, 2^2646865316 is an apocalyptic number.

It is an amenable number.

2646865316 is a deficient number, since it is larger than the sum of its proper divisors (2063658124).

2646865316 is a wasteful number, since it uses less digits than its factorization.

2646865316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215594 (or 11215592 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The square root of 2646865316 is about 51447.6949532241. The cubic root of 2646865316 is about 1383.2816453454.

The spelling of 2646865316 in words is "two billion, six hundred forty-six million, eight hundred sixty-five thousand, three hundred sixteen".