216807590466386 has 8 divisors (see below), whose sum is σ = 325228927768560. Its totient is φ = 108397947876868.

The previous prime is 216807590466367. The next prime is 216807590466433. The reversal of 216807590466386 is 683664095708612.

216807590466386 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923631816 + ... + 2923705971.

It is an arithmetic number, because the mean of its divisors is an integer number (40653615971070).

It is a 3-persistent number, because k⋅216807590466386 is pandigital for 1 ≤ k ≤ 3, but not for k = 4.

Almost surely, 2^{216807590466386} is an apocalyptic number.

216807590466386 is a deficient number, since it is larger than the sum of its proper divisors (108421337302174).

216807590466386 is a wasteful number, since it uses less digits than its factorization.

216807590466386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847356328.

The product of its (nonzero) digits is 627056640, while the sum is 71.

The spelling of 216807590466386 in words is "two hundred sixteen trillion, eight hundred seven billion, five hundred ninety million, four hundred sixty-six thousand, three hundred eighty-six".