2663665016 has 16 divisors (see below), whose sum is σ = 4997337000. Its totient is φ = 1331041824.

The previous prime is 2663665003. The next prime is 2663665033. The reversal of 2663665016 is 6105663662.

It is a happy number.

2663665016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2663665016² = 14190222634924560512, 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, 84395 + ... + 111578.

Almost surely, 2^2663665016 is an apocalyptic number.

It is an amenable number.

2663665016 is a deficient number, since it is larger than the sum of its proper divisors (2333671984).

2663665016 is a wasteful number, since it uses less digits than its factorization.

2663665016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197678 (or 197674 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 2663665016 is about 51610.7064086513. The cubic root of 2663665016 is about 1386.2020462737.

The spelling of 2663665016 in words is "two billion, six hundred sixty-three million, six hundred sixty-five thousand, sixteen".