16442107243057 has 16 divisors (see below), whose sum is σ = 17233080480000. Its totient is φ = 15657559245504.

The previous prime is 16442107242997. The next prime is 16442107243087. The reversal of 16442107243057 is 75034270124461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16442107243057 - 2³¹ = 16439959759409 is a prime.

It is a super-3 number, since 3×16442107243057³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16442107242998 and 16442107243016.

It is not an unprimeable number, because it can be changed into a prime (16442107243087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7705819 + ... + 9605407.

It is an arithmetic number, because the mean of its divisors is an integer number (1077067530000).

Almost surely, 2^{16442107243057} is an apocalyptic number.

It is an amenable number.

16442107243057 is a deficient number, since it is larger than the sum of its proper divisors (790973236943).

16442107243057 is a wasteful number, since it uses less digits than its factorization.

16442107243057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901280.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 16442107243057 in words is "sixteen trillion, four hundred forty-two billion, one hundred seven million, two hundred forty-three thousand, fifty-seven".