218462980966 has 8 divisors (see below), whose sum is σ = 328161940704. Its totient is φ = 109075667400.

The previous prime is 218462980943. The next prime is 218462980991. The reversal of 218462980966 is 669089264812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77909790 + ... + 77912593.

It is an arithmetic number, because the mean of its divisors is an integer number (41020242588).

Almost surely, 2^218462980966 is an apocalyptic number.

218462980966 is a deficient number, since it is larger than the sum of its proper divisors (109698959738).

218462980966 is a wasteful number, since it uses less digits than its factorization.

218462980966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155823086.

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 218462980966 in words is "two hundred eighteen billion, four hundred sixty-two million, nine hundred eighty thousand, nine hundred sixty-six".