216155160 has 96 divisors (see below), whose sum is σ = 756559440. Its totient is φ = 53206272.

The previous prime is 216155131. The next prime is 216155171. The reversal of 216155160 is 61551612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18414 + ... + 27773.

Almost surely, 2^216155160 is an apocalyptic number.

216155160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216155160 is an abundant number, since it is smaller than the sum of its proper divisors (540404280).

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

216155160 is a wasteful number, since it uses less digits than its factorization.

216155160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46217 (or 46210 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 216155160 is about 14702.2161594775. The cubic root of 216155160 is about 600.1436322802.

The spelling of 216155160 in words is "two hundred sixteen million, one hundred fifty-five thousand, one hundred sixty".