16231142242 has 16 divisors (see below), whose sum is σ = 27826468992. Its totient is φ = 6955790400.

The previous prime is 16231142233. The next prime is 16231142339. The reversal of 16231142242 is 24224113261.

It is a self number, because there is not a number n which added to its sum of digits gives 16231142242.

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 in 7 ways as a sum of consecutive naturals, for example, 388963 + ... + 428665.

It is an arithmetic number, because the mean of its divisors is an integer number (1739154312).

Almost surely, 2^16231142242 is an apocalyptic number.

16231142242 is a deficient number, since it is larger than the sum of its proper divisors (11595326750).

16231142242 is a wasteful number, since it uses less digits than its factorization.

16231142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68913.

The product of its digits is 4608, while the sum is 28.

The spelling of 16231142242 in words is "sixteen billion, two hundred thirty-one million, one hundred forty-two thousand, two hundred forty-two".