718130216 has 8 divisors (see below), whose sum is σ = 1346494170. Its totient is φ = 359065104.

The previous prime is 718130197. The next prime is 718130233. The reversal of 718130216 is 612031817.

It can be written as a sum of positive squares in only one way, i.e., 593896900 + 124233316 = 24370^2 + 11146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×718130216² = 1031422014264413312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44883131 + ... + 44883146.

Almost surely, 2^718130216 is an apocalyptic number.

It is an amenable number.

718130216 is a deficient number, since it is larger than the sum of its proper divisors (628363954).

718130216 is a wasteful number, since it uses less digits than its factorization.

718130216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89766283 (or 89766279 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 718130216 is about 26797.9517127709. The cubic root of 718130216 is about 895.5044194222.

The spelling of 718130216 in words is "seven hundred eighteen million, one hundred thirty thousand, two hundred sixteen".