16318813542 has 16 divisors (see below), whose sum is σ = 32639692800. Its totient is φ = 5439260232.

The previous prime is 16318813541. The next prime is 16318813573. The reversal of 16318813542 is 24531881361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16318813494 and 16318813503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16318813541) by changing a digit.

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, 28323 + ... + 182865.

It is an arithmetic number, because the mean of its divisors is an integer number (2039980800).

Almost surely, 2^16318813542 is an apocalyptic number.

16318813542 is an abundant number, since it is smaller than the sum of its proper divisors (16320879258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16318813542 is a wasteful number, since it uses less digits than its factorization.

16318813542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172147.

The product of its digits is 138240, while the sum is 42.

The spelling of 16318813542 in words is "sixteen billion, three hundred eighteen million, eight hundred thirteen thousand, five hundred forty-two".