318854435066 has 4 divisors (see below), whose sum is σ = 478281652602. Its totient is φ = 159427217532.

The previous prime is 318854435033. The next prime is 318854435071. The reversal of 318854435066 is 660534458813.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660534458813 = 18523 ⋅35660231.

It can be written as a sum of positive squares in only one way, i.e., 318176093041 + 678342025 = 564071^2 + 26045^2 .

It is a super-2 number, since 2×318854435066² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318854434999 and 318854435017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79713608765 + ... + 79713608768.

Almost surely, 2^318854435066 is an apocalyptic number.

318854435066 is a deficient number, since it is larger than the sum of its proper divisors (159427217536).

318854435066 is a wasteful number, since it uses less digits than its factorization.

318854435066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159427217535.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 318854435066 in words is "three hundred eighteen billion, eight hundred fifty-four million, four hundred thirty-five thousand, sixty-six".