216426160 has 40 divisors (see below), whose sum is σ = 511730640. Its totient is φ = 85101312.

The previous prime is 216426157. The next prime is 216426187. The reversal of 216426160 is 61624612.

216426160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 18207 + ... + 27646.

It is an arithmetic number, because the mean of its divisors is an integer number (12793266).

Almost surely, 2^216426160 is an apocalyptic number.

216426160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216426160 is an abundant number, since it is smaller than the sum of its proper divisors (295304480).

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

216426160 is a wasteful number, since it uses less digits than its factorization.

216426160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45925 (or 45919 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 216426160 is about 14711.4295702355. The cubic root of 216426160 is about 600.3943333711.

The spelling of 216426160 in words is "two hundred sixteen million, four hundred twenty-six thousand, one hundred sixty".