653445541606 has 32 divisors (see below), whose sum is σ = 1201592786688. Its totient is φ = 262252388640.

The previous prime is 653445541603. The next prime is 653445541613. The reversal of 653445541606 is 606145544356.

It is a self number, because there is not a number n which added to its sum of digits gives 653445541606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653445541603) 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 15 ways as a sum of consecutive naturals, for example, 49662436 + ... + 49675591.

It is an arithmetic number, because the mean of its divisors is an integer number (37549774584).

Almost surely, 2^653445541606 is an apocalyptic number.

653445541606 is a deficient number, since it is larger than the sum of its proper divisors (548147245082).

653445541606 is a wasteful number, since it uses less digits than its factorization.

653445541606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99338076.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 653445541606 in words is "six hundred fifty-three billion, four hundred forty-five million, five hundred forty-one thousand, six hundred six".