16242447086875 has 20 divisors (see below), whose sum is σ = 20629292450800. Its totient is φ = 12780941940000.

The previous prime is 16242447086867. The next prime is 16242447086893. The reversal of 16242447086875 is 57868074424261.

It is not a de Polignac number, because 16242447086875 - 2³ = 16242447086867 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 212977575 + ... + 213053824.

It is an arithmetic number, because the mean of its divisors is an integer number (1031464622540).

Almost surely, 2^{16242447086875} is an apocalyptic number.

16242447086875 is a deficient number, since it is larger than the sum of its proper divisors (4386845363925).

16242447086875 is an frugal number, since it uses more digits than its factorization.

16242447086875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426031480 (or 426031465 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 64.

The spelling of 16242447086875 in words is "sixteen trillion, two hundred forty-two billion, four hundred forty-seven million, eighty-six thousand, eight hundred seventy-five".