16197388145 has 8 divisors (see below), whose sum is σ = 19438303104. Its totient is φ = 12956952304.

The previous prime is 16197388069. The next prime is 16197388171. The reversal of 16197388145 is 54188379161.

16197388145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16197388145 - 2²⁶ = 16130279281 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 40649 + ... + 184518.

It is an arithmetic number, because the mean of its divisors is an integer number (2429787888).

Almost surely, 2^16197388145 is an apocalyptic number.

It is an amenable number.

16197388145 is a deficient number, since it is larger than the sum of its proper divisors (3240914959).

16197388145 is a wasteful number, since it uses less digits than its factorization.

16197388145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239559.

The product of its digits is 1451520, while the sum is 53.

The spelling of 16197388145 in words is "sixteen billion, one hundred ninety-seven million, three hundred eighty-eight thousand, one hundred forty-five".