900106663 has 2 divisors, whose sum is σ = 900106664. Its totient is φ = 900106662.

The previous prime is 900106657. The next prime is 900106681. The reversal of 900106663 is 366601009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900106663 - 2²⁹ = 363235751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900106643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450053331 + 450053332.

It is an arithmetic number, because the mean of its divisors is an integer number (450053332).

Almost surely, 2^900106663 is an apocalyptic number.

900106663 is a deficient number, since it is larger than the sum of its proper divisors (1).

900106663 is an equidigital number, since it uses as much as digits as its factorization.

900106663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 900106663 is about 30001.7776639985. Note that the first 3 decimals coincide. The cubic root of 900106663 is about 965.5275245783.

The spelling of 900106663 in words is "nine hundred million, one hundred six thousand, six hundred sixty-three".