16634939170 has 16 divisors (see below), whose sum is σ = 30018320568. Its totient is φ = 6637213440.

The previous prime is 16634939149. The next prime is 16634939183. The reversal of 16634939170 is 7193943661.

It is a happy number.

16634939170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16560858721 + 74080449 = 128689^2 + 8607^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2091111 + ... + 2099050.

Almost surely, 2^16634939170 is an apocalyptic number.

16634939170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16634939170 is a deficient number, since it is larger than the sum of its proper divisors (13383381398).

16634939170 is a wasteful number, since it uses less digits than its factorization.

16634939170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190565.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 16634939170 in words is "sixteen billion, six hundred thirty-four million, nine hundred thirty-nine thousand, one hundred seventy".