2685552664 has 16 divisors (see below), whose sum is σ = 5039728920. Its totient is φ = 1341624960.

The previous prime is 2685552647. The next prime is 2685552671. The reversal of 2685552664 is 4662555862.

It is a super-2 number, since 2×2685552664² = 14424386222234993792, which contains 22 as substring.

It is a congruent 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, 133969 + ... + 152704.

Almost surely, 2^2685552664 is an apocalyptic number.

It is an amenable number.

2685552664 is a deficient number, since it is larger than the sum of its proper divisors (2354176256).

2685552664 is a wasteful number, since it uses less digits than its factorization.

2685552664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287850 (or 287846 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

The square root of 2685552664 is about 51822.3182036466. The cubic root of 2685552664 is about 1389.9885553636.

The spelling of 2685552664 in words is "two billion, six hundred eighty-five million, five hundred fifty-two thousand, six hundred sixty-four".