659206042 has 16 divisors (see below), whose sum is σ = 1142154432. Its totient is φ = 282013120.

The previous prime is 659205919. The next prime is 659206061. The reversal of 659206042 is 240602956.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 659205989 and 659206007.

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 7 ways as a sum of consecutive naturals, for example, 880918 + ... + 881665.

It is an arithmetic number, because the mean of its divisors is an integer number (71384652).

Almost surely, 2^659206042 is an apocalyptic number.

659206042 is a deficient number, since it is larger than the sum of its proper divisors (482948390).

659206042 is a wasteful number, since it uses less digits than its factorization.

659206042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762613.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 659206042 is about 25675.0081207387. The cubic root of 659206042 is about 870.3095045363.

Adding to 659206042 its reverse (240602956), we get a palindrome (899808998).

The spelling of 659206042 in words is "six hundred fifty-nine million, two hundred six thousand, forty-two".