216345151641 has 8 divisors (see below), whose sum is σ = 288539835840. Its totient is φ = 144190284272.

The previous prime is 216345151621. The next prime is 216345151709. The reversal of 216345151641 is 146151543612.

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 216345151641 - 2⁶ = 216345151577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216345151641.

It is not an unprimeable number, because it can be changed into a prime (216345151621) 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, 9941526 + ... + 9963263.

It is an arithmetic number, because the mean of its divisors is an integer number (36067479480).

Almost surely, 2^216345151641 is an apocalyptic number.

It is an amenable number.

216345151641 is a deficient number, since it is larger than the sum of its proper divisors (72194684199).

216345151641 is a wasteful number, since it uses less digits than its factorization.

216345151641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19908415.

The product of its digits is 86400, while the sum is 39.

The spelling of 216345151641 in words is "two hundred sixteen billion, three hundred forty-five million, one hundred fifty-one thousand, six hundred forty-one".