1516666216 has 32 divisors (see below), whose sum is σ = 3105648000. Its totient is φ = 690137280.

The previous prime is 1516666189. The next prime is 1516666247. The reversal of 1516666216 is 6126666151.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 95316 + ... + 110083.

It is an arithmetic number, because the mean of its divisors is an integer number (97051500).

Almost surely, 2^1516666216 is an apocalyptic number.

It is an amenable number.

1516666216 is an abundant number, since it is smaller than the sum of its proper divisors (1588981784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1516666216 is a wasteful number, since it uses less digits than its factorization.

1516666216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205489 (or 205485 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 1516666216 is about 38944.3990324668. The cubic root of 1516666216 is about 1148.9382048232.

The spelling of 1516666216 in words is "one billion, five hundred sixteen million, six hundred sixty-six thousand, two hundred sixteen".