16146953405 has 8 divisors (see below), whose sum is σ = 21137829984.
Its totient is φ = 11743238800.
The previous prime is 16146953401. The next prime is 16146953437. The reversal of 16146953405 is 50435964161.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 16146953405 - 22 = 16146953401 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16146953401) 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, 146790431 + ... + 146790540.
It is an arithmetic number, because the mean of its divisors is an integer number (2642228748).
Almost surely, 216146953405 is an apocalyptic number.
It is an amenable number.
16146953405 is a deficient number, since it is larger than the sum of its proper divisors (4990876579).
16146953405 is a wasteful number, since it uses less digits than its factorization.
16146953405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293580987.
The product of its (nonzero) digits is 388800, while the sum is 44.
The spelling of 16146953405 in words is "sixteen billion, one hundred forty-six million, nine hundred fifty-three thousand, four hundred five".