659546642 has 16 divisors (see below), whose sum is σ = 1013429472. Its totient is φ = 321753600.

The previous prime is 659546611. The next prime is 659546647. The reversal of 659546642 is 246645956.

659546642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (659546647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86738 + ... + 94034.

It is an arithmetic number, because the mean of its divisors is an integer number (63339342).

Almost surely, 2^659546642 is an apocalyptic number.

659546642 is a deficient number, since it is larger than the sum of its proper divisors (353882830).

659546642 is a wasteful number, since it uses less digits than its factorization.

659546642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393.

The product of its digits is 1555200, while the sum is 47.

The square root of 659546642 is about 25681.6401734780. The cubic root of 659546642 is about 870.4593698591.

The spelling of 659546642 in words is "six hundred fifty-nine million, five hundred forty-six thousand, six hundred forty-two".