617416066 has 4 divisors (see below), whose sum is σ = 926124102. Its totient is φ = 308708032.

The previous prime is 617416043. The next prime is 617416073. The reversal of 617416066 is 660614716.

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

It can be written as a sum of positive squares in only one way, i.e., 616082041 + 1334025 = 24821^2 + 1155^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154354015 + ... + 154354018.

Almost surely, 2^617416066 is an apocalyptic number.

617416066 is a deficient number, since it is larger than the sum of its proper divisors (308708036).

617416066 is a wasteful number, since it uses less digits than its factorization.

617416066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308708035.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 617416066 is about 24847.8583785404. The cubic root of 617416066 is about 851.5156653069.

The spelling of 617416066 in words is "six hundred seventeen million, four hundred sixteen thousand, sixty-six".