216486193 has 8 divisors (see below), whose sum is σ = 269904960. Its totient is φ = 168690480.

The previous prime is 216486169. The next prime is 216486197. The reversal of 216486193 is 391684612.

216486193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216486193 - 2¹⁷ = 216355121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216486197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405678 + ... + 1405831.

It is an arithmetic number, because the mean of its divisors is an integer number (33738120).

Almost surely, 2^216486193 is an apocalyptic number.

It is an amenable number.

216486193 is a deficient number, since it is larger than the sum of its proper divisors (53418767).

216486193 is a wasteful number, since it uses less digits than its factorization.

216486193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811527.

The product of its digits is 62208, while the sum is 40.

The square root of 216486193 is about 14713.4697811223. The cubic root of 216486193 is about 600.4498413573.

The spelling of 216486193 in words is "two hundred sixteen million, four hundred eighty-six thousand, one hundred ninety-three".