216007616 has 28 divisors (see below), whose sum is σ = 467608920. Its totient is φ = 98184960.

The previous prime is 216007613. The next prime is 216007633. The reversal of 216007616 is 616700612.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216007613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152711 + ... + 154118.

Almost surely, 2^216007616 is an apocalyptic number.

It is an amenable number.

216007616 is an abundant number, since it is smaller than the sum of its proper divisors (251601304).

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

216007616 is a wasteful number, since it uses less digits than its factorization.

216007616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306852 (or 306842 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 216007616 is about 14697.1975559969. The cubic root of 216007616 is about 600.0070517690.

The spelling of 216007616 in words is "two hundred sixteen million, seven thousand, six hundred sixteen".