16338658601 has 2 divisors, whose sum is σ = 16338658602. Its totient is φ = 16338658600.

The previous prime is 16338658591. The next prime is 16338658621. The reversal of 16338658601 is 10685683361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14460303001 + 1878355600 = 120251^2 + 43340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16338658601 is a prime.

It is not a weakly prime, because it can be changed into another prime (16338658621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8169329300 + 8169329301.

It is an arithmetic number, because the mean of its divisors is an integer number (8169329301).

Almost surely, 2^16338658601 is an apocalyptic number.

It is an amenable number.

16338658601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16338658601 is an equidigital number, since it uses as much as digits as its factorization.

16338658601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 16338658601 in words is "sixteen billion, three hundred thirty-eight million, six hundred fifty-eight thousand, six hundred one".