216146912293 has 8 divisors (see below), whose sum is σ = 233303840000. Its totient is φ = 199065733488.

The previous prime is 216146912279. The next prime is 216146912299. The reversal of 216146912293 is 392219641612.

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

It is a cyclic number.

It is not a de Polignac number, because 216146912293 - 2³³ = 207556977701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216146912299) 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, 18931293 + ... + 18942706.

It is an arithmetic number, because the mean of its divisors is an integer number (29162980000).

Almost surely, 2^216146912293 is an apocalyptic number.

It is an amenable number.

216146912293 is a deficient number, since it is larger than the sum of its proper divisors (17156927707).

216146912293 is a wasteful number, since it uses less digits than its factorization.

216146912293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37874451.

The product of its digits is 279936, while the sum is 46.

The spelling of 216146912293 in words is "two hundred sixteen billion, one hundred forty-six million, nine hundred twelve thousand, two hundred ninety-three".