216145604361 has 8 divisors (see below), whose sum is σ = 289860001920. Its totient is φ = 143264138192.

The previous prime is 216145604347. The next prime is 216145604371. The reversal of 216145604361 is 163406541612.

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 216145604361 - 2¹¹ = 216145602313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216145604371) 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, 208232241 + ... + 208233278.

It is an arithmetic number, because the mean of its divisors is an integer number (36232500240).

Almost surely, 2^216145604361 is an apocalyptic number.

It is an amenable number.

216145604361 is a deficient number, since it is larger than the sum of its proper divisors (73714397559).

216145604361 is a wasteful number, since it uses less digits than its factorization.

216145604361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416465695.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 216145604361 in words is "two hundred sixteen billion, one hundred forty-five million, six hundred four thousand, three hundred sixty-one".