999070216 has 16 divisors (see below), whose sum is σ = 1873650240. Its totient is φ = 499430160.

The previous prime is 999070207. The next prime is 999070223. The reversal of 999070216 is 612070999.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39981 + ... + 59971.

It is an arithmetic number, because the mean of its divisors is an integer number (117103140).

Almost surely, 2^999070216 is an apocalyptic number.

999070216 is the 19991-st heptagonal number.

It is an amenable number.

999070216 is a deficient number, since it is larger than the sum of its proper divisors (874580024).

999070216 is a wasteful number, since it uses less digits than its factorization.

999070216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26244 (or 26240 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 999070216 is about 31608.0720070048. The cubic root of 999070216 is about 999.6899758950.

The spelling of 999070216 in words is "nine hundred ninety-nine million, seventy thousand, two hundred sixteen".