216098166694 has 4 divisors (see below), whose sum is σ = 324147250044. Its totient is φ = 108049083346.

The previous prime is 216098166689. The next prime is 216098166727. The reversal of 216098166694 is 496661890612.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54024541672 + ... + 54024541675.

It is an arithmetic number, because the mean of its divisors is an integer number (81036812511).

Almost surely, 2^216098166694 is an apocalyptic number.

216098166694 is a deficient number, since it is larger than the sum of its proper divisors (108049083350).

216098166694 is a wasteful number, since it uses less digits than its factorization.

216098166694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108049083349.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 216098166694 in words is "two hundred sixteen billion, ninety-eight million, one hundred sixty-six thousand, six hundred ninety-four".