318646485838 has 32 divisors (see below), whose sum is σ = 503035287552. Its totient is φ = 151172954400.

The previous prime is 318646485811. The next prime is 318646485847. The reversal of 318646485838 is 838584646813.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 318646485838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4972743 + ... + 5036413.

It is an arithmetic number, because the mean of its divisors is an integer number (15719852736).

Almost surely, 2^318646485838 is an apocalyptic number.

318646485838 is a deficient number, since it is larger than the sum of its proper divisors (184388801714).

318646485838 is a wasteful number, since it uses less digits than its factorization.

318646485838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65280.

The product of its digits is 106168320, while the sum is 64.

The spelling of 318646485838 in words is "three hundred eighteen billion, six hundred forty-six million, four hundred eighty-five thousand, eight hundred thirty-eight".