216085895 has 8 divisors (see below), whose sum is σ = 274556304. Its totient is φ = 162699904.

The previous prime is 216085847. The next prime is 216085901. The reversal of 216085895 is 598580612.

216085895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216085895 - 2¹² = 216081799 is a prime.

It is a super-2 number, since 2×216085895² = 93386228035902050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271009 + ... + 1271178.

It is an arithmetic number, because the mean of its divisors is an integer number (34319538).

Almost surely, 2^216085895 is an apocalyptic number.

216085895 is a deficient number, since it is larger than the sum of its proper divisors (58470409).

216085895 is a wasteful number, since it uses less digits than its factorization.

216085895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542209.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 216085895 is about 14699.8603734865. The cubic root of 216085895 is about 600.0795218674.

The spelling of 216085895 in words is "two hundred sixteen million, eighty-five thousand, eight hundred ninety-five".