16209573195140 has 48 divisors (see below), whose sum is σ = 36709559147520. Its totient is φ = 5976748947840.

The previous prime is 16209573195131. The next prime is 16209573195163. The reversal of 16209573195140 is 4159137590261.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43168076 + ... + 43541955.

It is an arithmetic number, because the mean of its divisors is an integer number (764782482240).

Almost surely, 2^{16209573195140} is an apocalyptic number.

16209573195140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16209573195140 is an abundant number, since it is smaller than the sum of its proper divisors (20499985952380).

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

16209573195140 is a wasteful number, since it uses less digits than its factorization.

16209573195140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86710772 (or 86710770 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 16209573195140 in words is "sixteen trillion, two hundred nine billion, five hundred seventy-three million, one hundred ninety-five thousand, one hundred forty".