216017160 has 64 divisors (see below), whose sum is σ = 649252800. Its totient is φ = 57497856.

The previous prime is 216017159. The next prime is 216017161. The reversal of 216017160 is 61710612.

It is an interprime number because it is at equal distance from previous prime (216017159) and next prime (216017161).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 216017160.

It is not an unprimeable number, because it can be changed into a prime (216017161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79911 + ... + 82569.

It is an arithmetic number, because the mean of its divisors is an integer number (10144575).

Almost surely, 2^216017160 is an apocalyptic number.

216017160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216017160 is an abundant number, since it is smaller than the sum of its proper divisors (433235640).

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

216017160 is a wasteful number, since it uses less digits than its factorization.

216017160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3346 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 216017160 is about 14697.5222401601. The cubic root of 216017160 is about 600.0158884681.

Adding to 216017160 its reverse (61710612), we get a palindrome (277727772).

The spelling of 216017160 in words is "two hundred sixteen million, seventeen thousand, one hundred sixty".