16650602651 has 2 divisors, whose sum is σ = 16650602652. Its totient is φ = 16650602650.

The previous prime is 16650602597. The next prime is 16650602653. The reversal of 16650602651 is 15620605661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16650602651 is a prime.

Together with 16650602653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16650602653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8325301325 + 8325301326.

It is an arithmetic number, because the mean of its divisors is an integer number (8325301326).

Almost surely, 2^16650602651 is an apocalyptic number.

16650602651 is a deficient number, since it is larger than the sum of its proper divisors (1).

16650602651 is an equidigital number, since it uses as much as digits as its factorization.

16650602651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 16650602651 in words is "sixteen billion, six hundred fifty million, six hundred two thousand, six hundred fifty-one".