2685048664 has 8 divisors (see below), whose sum is σ = 5034466260. Its totient is φ = 1342524328.

The previous prime is 2685048661. The next prime is 2685048701. The reversal of 2685048664 is 4668405862.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685048661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167815534 + ... + 167815549.

Almost surely, 2^2685048664 is an apocalyptic number.

It is an amenable number.

2685048664 is a deficient number, since it is larger than the sum of its proper divisors (2349417596).

2685048664 is a wasteful number, since it uses less digits than its factorization.

2685048664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335631089 (or 335631085 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The square root of 2685048664 is about 51817.4552057509. The cubic root of 2685048664 is about 1389.9015964705.

The spelling of 2685048664 in words is "two billion, six hundred eighty-five million, forty-eight thousand, six hundred sixty-four".