718536164 has 12 divisors (see below), whose sum is σ = 1257988284. Its totient is φ = 359110944.

The previous prime is 718536163. The next prime is 718536173. The reversal of 718536164 is 461635817.

It can be written as a sum of positive squares in 2 ways, for example, as 287641600 + 430894564 = 16960^2 + 20758^2 .

It is not an unprimeable number, because it can be changed into a prime (718536163) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 28679 + ... + 47534.

It is an arithmetic number, because the mean of its divisors is an integer number (104832357).

Almost surely, 2^718536164 is an apocalyptic number.

It is an amenable number.

718536164 is a deficient number, since it is larger than the sum of its proper divisors (539452120).

718536164 is a wasteful number, since it uses less digits than its factorization.

718536164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78574 (or 78572 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 718536164 is about 26805.5248782784. The cubic root of 718536164 is about 895.6731259430.

The spelling of 718536164 in words is "seven hundred eighteen million, five hundred thirty-six thousand, one hundred sixty-four".