16311565616242 has 16 divisors (see below), whose sum is σ = 27495080504640. Its totient is φ = 7201092512592.

The previous prime is 16311565616221. The next prime is 16311565616327. The reversal of 16311565616242 is 24261656511361.

It is a super-3 number, since 3×16311565616242³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13638432192 + ... + 13638433387.

It is an arithmetic number, because the mean of its divisors is an integer number (1718442531540).

Almost surely, 2^{16311565616242} is an apocalyptic number.

16311565616242 is a deficient number, since it is larger than the sum of its proper divisors (11183514888398).

16311565616242 is a wasteful number, since it uses less digits than its factorization.

16311565616242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27276865617.

The product of its digits is 1555200, while the sum is 49.

The spelling of 16311565616242 in words is "sixteen trillion, three hundred eleven billion, five hundred sixty-five million, six hundred sixteen thousand, two hundred forty-two".