605417663 has 4 divisors (see below), whose sum is σ = 611075880. Its totient is φ = 599759448.

The previous prime is 605417633. The next prime is 605417699. The reversal of 605417663 is 366714506.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 605417663 - 2¹⁸ = 605155519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605417633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828948 + ... + 2829161.

It is an arithmetic number, because the mean of its divisors is an integer number (152768970).

Almost surely, 2^605417663 is an apocalyptic number.

605417663 is a deficient number, since it is larger than the sum of its proper divisors (5658217).

605417663 is a wasteful number, since it uses less digits than its factorization.

605417663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658216.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 605417663 is about 24605.2364955105. The cubic root of 605417663 is about 845.9636371802.

The spelling of 605417663 in words is "six hundred five million, four hundred seventeen thousand, six hundred sixty-three".