16226121142 has 32 divisors (see below), whose sum is σ = 30356446464. Its totient is φ = 6319471200.

The previous prime is 16226121139. The next prime is 16226121143. The reversal of 16226121142 is 24112162261.

It is a self number, because there is not a number n which added to its sum of digits gives 16226121142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226121143) 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, 419292 + ... + 456352.

It is an arithmetic number, because the mean of its divisors is an integer number (948638952).

Almost surely, 2^16226121142 is an apocalyptic number.

16226121142 is a deficient number, since it is larger than the sum of its proper divisors (14130325322).

16226121142 is a wasteful number, since it uses less digits than its factorization.

16226121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39924.

The product of its digits is 2304, while the sum is 28.

The spelling of 16226121142 in words is "sixteen billion, two hundred twenty-six million, one hundred twenty-one thousand, one hundred forty-two".