216000612 has 36 divisors (see below), whose sum is σ = 547223040. Its totient is φ = 71839152.

The previous prime is 216000601. The next prime is 216000641.

It is a happy number.

216000612 is a `hidden beast` number, since 2 + 1 + 600 + 0 + 61 + 2 = 666.

216000612 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×216000612³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10189 + ... + 23147.

It is an arithmetic number, because the mean of its divisors is an integer number (15200640).

Almost surely, 2^216000612 is an apocalyptic number.

It is an amenable number.

216000612 is an abundant number, since it is smaller than the sum of its proper divisors (331222428).

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

216000612 is a wasteful number, since it uses less digits than its factorization.

216000612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13432 (or 13427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 216000612 is about 14696.9592773471. The cubic root of 216000612 is about 600.0005666661. Note that the first 3 decimals are identical.

It can be divided in two parts, 216000 and 612, that added together give a palindrome (216612).

The spelling of 216000612 in words is "two hundred sixteen million, six hundred twelve", and thus it is an aban number.