2999061663 has 24 divisors (see below), whose sum is σ = 4342739328. Its totient is φ = 1840149792.

The previous prime is 2999061649. The next prime is 2999061671. The reversal of 2999061663 is 3661609992.

It is a happy number.

It is not a de Polignac number, because 2999061663 - 2⁹ = 2999061151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999061623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167406 + ... + 184452.

It is an arithmetic number, because the mean of its divisors is an integer number (180947472).

Almost surely, 2^2999061663 is an apocalyptic number.

2999061663 is a deficient number, since it is larger than the sum of its proper divisors (1343677665).

2999061663 is a wasteful number, since it uses less digits than its factorization.

2999061663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423 (or 17410 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 2999061663 is about 54763.6892749201. The cubic root of 2999061663 is about 1442.0991861679.

The spelling of 2999061663 in words is "two billion, nine hundred ninety-nine million, sixty-one thousand, six hundred sixty-three".