216006572 has 6 divisors (see below), whose sum is σ = 378011508. Its totient is φ = 108003284.

The previous prime is 216006559. The next prime is 216006599. The reversal of 216006572 is 275600612.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27000818 + ... + 27000825.

It is an arithmetic number, because the mean of its divisors is an integer number (63001918).

Almost surely, 2^216006572 is an apocalyptic number.

It is an amenable number.

216006572 is a deficient number, since it is larger than the sum of its proper divisors (162004936).

216006572 is a wasteful number, since it uses less digits than its factorization.

216006572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54001647 (or 54001645 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 216006572 is about 14697.1620389788. The cubic root of 216006572 is about 600.0060851235.

The spelling of 216006572 in words is "two hundred sixteen million, six thousand, five hundred seventy-two".