216773218474 has 8 divisors (see below), whose sum is σ = 325172435328. Its totient is φ = 108382406700.

The previous prime is 216773218469. The next prime is 216773218507. The reversal of 216773218474 is 474812377612.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036392 + ... + 2140195.

It is an arithmetic number, because the mean of its divisors is an integer number (40646554416).

Almost surely, 2^216773218474 is an apocalyptic number.

216773218474 is a deficient number, since it is larger than the sum of its proper divisors (108399216854).

216773218474 is a wasteful number, since it uses less digits than its factorization.

216773218474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202540.

The product of its digits is 3161088, while the sum is 52.

The spelling of 216773218474 in words is "two hundred sixteen billion, seven hundred seventy-three million, two hundred eighteen thousand, four hundred seventy-four".