1606334420651 has 2 divisors, whose sum is σ = 1606334420652. Its totient is φ = 1606334420650.

The previous prime is 1606334420633. The next prime is 1606334420657. The reversal of 1606334420651 is 1560244336061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606334420651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1606334420599 and 1606334420608.

It is not a weakly prime, because it can be changed into another prime (1606334420657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803167210325 + 803167210326.

It is an arithmetic number, because the mean of its divisors is an integer number (803167210326).

Almost surely, 2^{1606334420651} is an apocalyptic number.

1606334420651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606334420651 is an equidigital number, since it uses as much as digits as its factorization.

1606334420651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 1606334420651 in words is "one trillion, six hundred six billion, three hundred thirty-four million, four hundred twenty thousand, six hundred fifty-one".