318676681546 has 8 divisors (see below), whose sum is σ = 478023704100. Its totient is φ = 159335446848.

The previous prime is 318676681541. The next prime is 318676681571. The reversal of 318676681546 is 645186676813.

It can be written as a sum of positive squares in 2 ways, for example, as 302652919321 + 16023762225 = 550139^2 + 126585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×318676681546² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (318676681541) 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, 1306591 + ... + 1531186.

Almost surely, 2^318676681546 is an apocalyptic number.

318676681546 is a deficient number, since it is larger than the sum of its proper divisors (159347022554).

318676681546 is a wasteful number, since it uses less digits than its factorization.

318676681546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893928.

The product of its digits is 34836480, while the sum is 61.

The spelling of 318676681546 in words is "three hundred eighteen billion, six hundred seventy-six million, six hundred eighty-one thousand, five hundred forty-six".