216697131080158 has 8 divisors (see below), whose sum is σ = 325057281895152. Its totient is φ = 108344703781776.

The previous prime is 216697131080113. The next prime is 216697131080179. The reversal of 216697131080158 is 851080131796612.

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

It is a congruent number.

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, 1930809010 + ... + 1930921237.

It is an arithmetic number, because the mean of its divisors is an integer number (40632160236894).

Almost surely, 2^{216697131080158} is an apocalyptic number.

216697131080158 is a deficient number, since it is larger than the sum of its proper divisors (108360150814994).

216697131080158 is a wasteful number, since it uses less digits than its factorization.

216697131080158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861758306.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 216697131080158 in words is "two hundred sixteen trillion, six hundred ninety-seven billion, one hundred thirty-one million, eighty thousand, one hundred fifty-eight".