16610625603659 has 2 divisors, whose sum is σ = 16610625603660. Its totient is φ = 16610625603658.

The previous prime is 16610625603619. The next prime is 16610625603667. The reversal of 16610625603659 is 95630652601661.

It is a happy number.

16610625603659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16610625603659 - 2¹⁶ = 16610625538123 is a prime.

It is not a weakly prime, because it can be changed into another prime (16610625603619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8305312801829 + 8305312801830.

It is an arithmetic number, because the mean of its divisors is an integer number (8305312801830).

Almost surely, 2^{16610625603659} is an apocalyptic number.

16610625603659 is a deficient number, since it is larger than the sum of its proper divisors (1).

16610625603659 is an equidigital number, since it uses as much as digits as its factorization.

16610625603659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 56.

The spelling of 16610625603659 in words is "sixteen trillion, six hundred ten billion, six hundred twenty-five million, six hundred three thousand, six hundred fifty-nine".