660211016 has 16 divisors (see below), whose sum is σ = 1238521200. Its totient is φ = 329938704.

The previous prime is 660211001. The next prime is 660211039. The reversal of 660211016 is 610112066.

It is a junction number, because it is equal to n+sod(n) for n = 660210982 and 660211000.

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, 3146 + ... + 36473.

It is an arithmetic number, because the mean of its divisors is an integer number (77407575).

Almost surely, 2^660211016 is an apocalyptic number.

It is an amenable number.

660211016 is a deficient number, since it is larger than the sum of its proper divisors (578310184).

660211016 is a wasteful number, since it uses less digits than its factorization.

660211016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41708 (or 41704 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 660211016 is about 25694.5717224475. The cubic root of 660211016 is about 870.7515485892.

The spelling of 660211016 in words is "six hundred sixty million, two hundred eleven thousand, sixteen".