16122322042 has 4 divisors (see below), whose sum is σ = 24183483066. Its totient is φ = 8061161020.

The previous prime is 16122322019. The next prime is 16122322081. The reversal of 16122322042 is 24022322161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24022322161 = 127 ⋅189152143.

It can be written as a sum of positive squares in only one way, i.e., 15729925561 + 392396481 = 125419^2 + 19809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16122321998 and 16122322016.

It is an unprimeable number.

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, 4030580509 + ... + 4030580512.

Almost surely, 2^16122322042 is an apocalyptic number.

16122322042 is a deficient number, since it is larger than the sum of its proper divisors (8061161024).

16122322042 is an equidigital number, since it uses as much as digits as its factorization.

16122322042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061161023.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 16122322042 in words is "sixteen billion, one hundred twenty-two million, three hundred twenty-two thousand, forty-two".