16109690894 has 16 divisors (see below), whose sum is σ = 26365136256. Its totient is φ = 7321524600.

The previous prime is 16109690837. The next prime is 16109690897. The reversal of 16109690894 is 49809690161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109690897) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113639 + ... + 212445.

It is an arithmetic number, because the mean of its divisors is an integer number (1647821016).

Almost surely, 2^16109690894 is an apocalyptic number.

16109690894 is a deficient number, since it is larger than the sum of its proper divisors (10255445362).

16109690894 is a wasteful number, since it uses less digits than its factorization.

16109690894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106231.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 16109690894 in words is "sixteen billion, one hundred nine million, six hundred ninety thousand, eight hundred ninety-four".