216654309819137 has 8 divisors (see below), whose sum is σ = 220856625660576. Its totient is φ = 212480484255072.

The previous prime is 216654309819107. The next prime is 216654309819169. The reversal of 216654309819137 is 731918903456612.

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 216654309819137 - 2¹⁰ = 216654309818113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216654309819107) 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, 7122553988 + ... + 7122584405.

It is an arithmetic number, because the mean of its divisors is an integer number (27607078207572).

It is a 1-persistent number, because it is pandigital, but 2⋅216654309819137 = 433308619638274 is not.

Almost surely, 2^{216654309819137} is an apocalyptic number.

It is an amenable number.

216654309819137 is a deficient number, since it is larger than the sum of its proper divisors (4202315841439).

216654309819137 is a wasteful number, since it uses less digits than its factorization.

216654309819137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14245138687.

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 216654309819137 in words is "two hundred sixteen trillion, six hundred fifty-four billion, three hundred nine million, eight hundred nineteen thousand, one hundred thirty-seven".