16345548161219 has 4 divisors (see below), whose sum is σ = 16345589670480. Its totient is φ = 16345506651960.

The previous prime is 16345548161191. The next prime is 16345548161263. The reversal of 16345548161219 is 91216184554361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16345548161219 - 2²⁸ = 16345279725763 is a prime.

It is a super-2 number, since 2×16345548161219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16345548160219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20158247 + ... + 20953424.

It is an arithmetic number, because the mean of its divisors is an integer number (4086397417620).

Almost surely, 2^{16345548161219} is an apocalyptic number.

16345548161219 is a deficient number, since it is larger than the sum of its proper divisors (41509261).

16345548161219 is an equidigital number, since it uses as much as digits as its factorization.

16345548161219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41509260.

The product of its digits is 6220800, while the sum is 56.

The spelling of 16345548161219 in words is "sixteen trillion, three hundred forty-five billion, five hundred forty-eight million, one hundred sixty-one thousand, two hundred nineteen".