218480516 has 12 divisors (see below), whose sum is σ = 382708032. Its totient is φ = 109135368.

The previous prime is 218480503. The next prime is 218480527. The reversal of 218480516 is 615084812.

218480516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21440 + ... + 29943.

It is an arithmetic number, because the mean of its divisors is an integer number (31892336).

Almost surely, 2^218480516 is an apocalyptic number.

It is an amenable number.

218480516 is a deficient number, since it is larger than the sum of its proper divisors (164227516).

218480516 is a wasteful number, since it uses less digits than its factorization.

218480516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52450 (or 52448 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 218480516 is about 14781.0864282704. The cubic root of 218480516 is about 602.2880377883.

The spelling of 218480516 in words is "two hundred eighteen million, four hundred eighty thousand, five hundred sixteen".