16422232555042 has 4 divisors (see below), whose sum is σ = 24633348832566. Its totient is φ = 8211116277520.

The previous prime is 16422232555021. The next prime is 16422232555133. The reversal of 16422232555042 is 24055523222461.

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., 11628843391881 + 4793389163161 = 3410109^2 + 2189381^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16422232555042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105558138759 + ... + 4105558138762.

Almost surely, 2^{16422232555042} is an apocalyptic number.

16422232555042 is a deficient number, since it is larger than the sum of its proper divisors (8211116277524).

16422232555042 is an equidigital number, since it uses as much as digits as its factorization.

16422232555042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211116277523.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 16422232555042 in words is "sixteen trillion, four hundred twenty-two billion, two hundred thirty-two million, five hundred fifty-five thousand, forty-two".