2646000064 has 28 divisors (see below), whose sum is σ = 5259057808. Its totient is φ = 1320883200.

The previous prime is 2646000061. The next prime is 2646000127. The reversal of 2646000064 is 4600006462.

It is a junction number, because it is equal to n+sod(n) for n = 2645999996 and 2646000041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646000061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7624 + ... + 73144.

Almost surely, 2^2646000064 is an apocalyptic number.

It is an amenable number.

2646000064 is a deficient number, since it is larger than the sum of its proper divisors (2613057744).

2646000064 is an equidigital number, since it uses as much as digits as its factorization.

2646000064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66164 (or 66154 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2646000064 is about 51439.2852205394. The cubic root of 2646000064 is about 1383.1308987690.

The spelling of 2646000064 in words is "two billion, six hundred forty-six million, sixty-four", and thus it is an aban number.