16404686870 has 64 divisors (see below), whose sum is σ = 34940747520. Its totient is φ = 5466787200.

The previous prime is 16404686867. The next prime is 16404686897. The reversal of 16404686870 is 7868640461.

16404686870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16404686870² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 157505 + ... + 240035.

It is an arithmetic number, because the mean of its divisors is an integer number (545949180).

Almost surely, 2^16404686870 is an apocalyptic number.

16404686870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16404686870 is an abundant number, since it is smaller than the sum of its proper divisors (18536060650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16404686870 is a wasteful number, since it uses less digits than its factorization.

16404686870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82701.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 16404686870 in words is "sixteen billion, four hundred four million, six hundred eighty-six thousand, eight hundred seventy".