16533360431242 has 4 divisors (see below), whose sum is σ = 24800040646866. Its totient is φ = 8266680215620.

The previous prime is 16533360431213. The next prime is 16533360431243. The reversal of 16533360431242 is 24213406333561.

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

It can be written as a sum of positive squares in only one way, i.e., 16377391516201 + 155968915041 = 4046899^2 + 394929^2 .

It is not an unprimeable number, because it can be changed into a prime (16533360431243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133340107809 + ... + 4133340107812.

Almost surely, 2^{16533360431242} is an apocalyptic number.

16533360431242 is a deficient number, since it is larger than the sum of its proper divisors (8266680215624).

16533360431242 is an equidigital number, since it uses as much as digits as its factorization.

16533360431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266680215623.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 16533360431242 in words is "sixteen trillion, five hundred thirty-three billion, three hundred sixty million, four hundred thirty-one thousand, two hundred forty-two".