2663016399 has 16 divisors (see below), whose sum is σ = 3984275040. Its totient is φ = 1757764800.

The previous prime is 2663016373. The next prime is 2663016401. The reversal of 2663016399 is 9936103662.

It is a happy number.

2663016399 is a `hidden beast` number, since 2 + 6 + 6 + 3 + 0 + 1 + 639 + 9 = 666.

It is not a de Polignac number, because 2663016399 - 2⁸ = 2663016143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663016599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485542 + ... + 490995.

It is an arithmetic number, because the mean of its divisors is an integer number (249017190).

Almost surely, 2^2663016399 is an apocalyptic number.

2663016399 is a deficient number, since it is larger than the sum of its proper divisors (1321258641).

2663016399 is a wasteful number, since it uses less digits than its factorization.

2663016399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976647 (or 976641 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 2663016399 is about 51604.4222814286. The cubic root of 2663016399 is about 1386.0895212131.

The spelling of 2663016399 in words is "two billion, six hundred sixty-three million, sixteen thousand, three hundred ninety-nine".