216091430374 has 4 divisors (see below), whose sum is σ = 324137145564. Its totient is φ = 108045715186.

The previous prime is 216091430351. The next prime is 216091430377. The reversal of 216091430374 is 473034190612.

216091430374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216091430377) by changing a digit.

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 as a sum of consecutive naturals, namely, 54022857592 + ... + 54022857595.

It is an arithmetic number, because the mean of its divisors is an integer number (81034286391).

Almost surely, 2^216091430374 is an apocalyptic number.

216091430374 is a deficient number, since it is larger than the sum of its proper divisors (108045715190).

216091430374 is a wasteful number, since it uses less digits than its factorization.

216091430374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108045715189.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 216091430374 in words is "two hundred sixteen billion, ninety-one million, four hundred thirty thousand, three hundred seventy-four".