16545742 has 8 divisors (see below), whose sum is σ = 25158816. Its totient is φ = 8159472.

The previous prime is 16545733. The next prime is 16545773. The reversal of 16545742 is 24754561.

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

It is a super-3 number, since 3×16545742³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16545698 and 16545707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56518 + ... + 56809.

It is an arithmetic number, because the mean of its divisors is an integer number (3144852).

Almost surely, 2^16545742 is an apocalyptic number.

16545742 is a deficient number, since it is larger than the sum of its proper divisors (8613074).

16545742 is a wasteful number, since it uses less digits than its factorization.

16545742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113402.

The product of its digits is 33600, while the sum is 34.

The square root of 16545742 is about 4067.6457564542. The cubic root of 16545742 is about 254.8172059190.

It can be divided in two parts, 1654 and 5742, that added together give a square (7396 = 86²).

The spelling of 16545742 in words is "sixteen million, five hundred forty-five thousand, seven hundred forty-two".