716434434618 has 32 divisors (see below), whose sum is σ = 1639470865920. Its totient is φ = 204457247280.

The previous prime is 716434434563. The next prime is 716434434619. The reversal of 716434434618 is 816434434617.

It is not an unprimeable number, because it can be changed into a prime (716434434619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9892888 + ... + 9965043.

It is an arithmetic number, because the mean of its divisors is an integer number (51233464560).

Almost surely, 2^716434434618 is an apocalyptic number.

716434434618 is an abundant number, since it is smaller than the sum of its proper divisors (923036431302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716434434618 is a wasteful number, since it uses less digits than its factorization.

716434434618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19858802.

The product of its digits is 4644864, while the sum is 51.

Subtracting 716434434618 from its reverse (816434434617), we obtain a palindrome (99999999999).

The spelling of 716434434618 in words is "seven hundred sixteen billion, four hundred thirty-four million, four hundred thirty-four thousand, six hundred eighteen".