718460666 has 16 divisors (see below), whose sum is σ = 1343615040. Its totient is φ = 279919680.

The previous prime is 718460653. The next prime is 718460669. The reversal of 718460666 is 666064817.

It is not an unprimeable number, because it can be changed into a prime (718460669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332511 + ... + 2332818.

It is an arithmetic number, because the mean of its divisors is an integer number (83975940).

Almost surely, 2^718460666 is an apocalyptic number.

718460666 is a deficient number, since it is larger than the sum of its proper divisors (625154374).

718460666 is a wasteful number, since it uses less digits than its factorization.

718460666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665349.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 718460666 is about 26804.1165868230. The cubic root of 718460666 is about 895.6417548019.

The spelling of 718460666 in words is "seven hundred eighteen million, four hundred sixty thousand, six hundred sixty-six".