216302873193 has 48 divisors (see below), whose sum is σ = 361399147200. Its totient is φ = 123286371840.

The previous prime is 216302873173. The next prime is 216302873233. The reversal of 216302873193 is 391378203612.

216302873193 is a `hidden beast` number, since 2 + 1 + 630 + 2 + 8 + 7 + 3 + 1 + 9 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-216302873193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216302873173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161988 + ... + 677381.

It is an arithmetic number, because the mean of its divisors is an integer number (7529148900).

Almost surely, 2^216302873193 is an apocalyptic number.

It is an amenable number.

216302873193 is a deficient number, since it is larger than the sum of its proper divisors (145096274007).

216302873193 is a wasteful number, since it uses less digits than its factorization.

216302873193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839542 (or 839539 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 216302873193 in words is "two hundred sixteen billion, three hundred two million, eight hundred seventy-three thousand, one hundred ninety-three".