16443161542 has 8 divisors (see below), whose sum is σ = 24671158632. Its totient is φ = 8219442000.

The previous prime is 16443161531. The next prime is 16443161569. The reversal of 16443161542 is 24516134461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×16443161542³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1059759 + ... + 1075162.

It is an arithmetic number, because the mean of its divisors is an integer number (3083894829).

Almost surely, 2^16443161542 is an apocalyptic number.

16443161542 is a deficient number, since it is larger than the sum of its proper divisors (8227997090).

16443161542 is a wasteful number, since it uses less digits than its factorization.

16443161542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138774.

The product of its digits is 69120, while the sum is 37.

The spelling of 16443161542 in words is "sixteen billion, four hundred forty-three million, one hundred sixty-one thousand, five hundred forty-two".