90606016603 has 2 divisors, whose sum is σ = 90606016604. Its totient is φ = 90606016602.

The previous prime is 90606016549. The next prime is 90606016643. The reversal of 90606016603 is 30661060609.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90606016603 is a prime.

It is a super-2 number, since 2×90606016603² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90606016643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45303008301 + 45303008302.

It is an arithmetic number, because the mean of its divisors is an integer number (45303008302).

Almost surely, 2^90606016603 is an apocalyptic number.

90606016603 is a deficient number, since it is larger than the sum of its proper divisors (1).

90606016603 is an equidigital number, since it uses as much as digits as its factorization.

90606016603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 90606016603 in words is "ninety billion, six hundred six million, sixteen thousand, six hundred three".