316486139618 has 16 divisors (see below), whose sum is σ = 517895160480. Its totient is φ = 143854905600.

The previous prime is 316486139609. The next prime is 316486139653. The reversal of 316486139618 is 816931684613.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2172098 + ... + 2313218.

It is an arithmetic number, because the mean of its divisors is an integer number (32368447530).

Almost surely, 2^316486139618 is an apocalyptic number.

316486139618 is a deficient number, since it is larger than the sum of its proper divisors (201409020862).

316486139618 is a wasteful number, since it uses less digits than its factorization.

316486139618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243073.

The product of its digits is 4478976, while the sum is 56.

The spelling of 316486139618 in words is "three hundred sixteen billion, four hundred eighty-six million, one hundred thirty-nine thousand, six hundred eighteen".