216192450694 has 32 divisors (see below), whose sum is σ = 374627547936. Its totient is φ = 92476869120.

The previous prime is 216192450689. The next prime is 216192450731. The reversal of 216192450694 is 496054291612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3272332 + ... + 3337744.

It is an arithmetic number, because the mean of its divisors is an integer number (11707110873).

Almost surely, 2^216192450694 is an apocalyptic number.

216192450694 is a deficient number, since it is larger than the sum of its proper divisors (158435097242).

216192450694 is a wasteful number, since it uses less digits than its factorization.

216192450694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74280.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 216192450694 in words is "two hundred sixteen billion, one hundred ninety-two million, four hundred fifty thousand, six hundred ninety-four".