16113525194 has 16 divisors (see below), whose sum is σ = 26072029032. Its totient is φ = 7424872128.

The previous prime is 16113525193. The next prime is 16113525209. The reversal of 16113525194 is 49152531161.

It can be written as a sum of positive squares in 4 ways, for example, as 9151792225 + 6961732969 = 95665^2 + 83437^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16113525193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489569 + ... + 521444.

Almost surely, 2^16113525194 is an apocalyptic number.

16113525194 is a deficient number, since it is larger than the sum of its proper divisors (9958503838).

16113525194 is a wasteful number, since it uses less digits than its factorization.

16113525194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011641.

The product of its digits is 32400, while the sum is 38.

The spelling of 16113525194 in words is "sixteen billion, one hundred thirteen million, five hundred twenty-five thousand, one hundred ninety-four".