216714456676 has 27 divisors (see below), whose sum is σ = 382263749049. Its totient is φ = 107502988128.

The previous prime is 216714456559. The next prime is 216714456677. The reversal of 216714456676 is 676654417612.

The square root of 216714456676 is 465526.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 127299104100 + 89415352576 = 356790^2 + 299024^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216714456677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 127553275 + ... + 127554973.

Almost surely, 2^216714456676 is an apocalyptic number.

216714456676 is the 465526-th square number.

It is an amenable number.

216714456676 is a deficient number, since it is larger than the sum of its proper divisors (165549292373).

216714456676 is an frugal number, since it uses more digits than its factorization.

216714456676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676 (or 1838 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 216714456676 in words is "two hundred sixteen billion, seven hundred fourteen million, four hundred fifty-six thousand, six hundred seventy-six".