1653559008 has 48 divisors (see below), whose sum is σ = 4457915280. Its totient is φ = 536288256.

The previous prime is 1653559001. The next prime is 1653559021. The reversal of 1653559008 is 8009553561.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653559001) 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, 229213 + ... + 236316.

It is an arithmetic number, because the mean of its divisors is an integer number (92873235).

Almost surely, 2^1653559008 is an apocalyptic number.

It is an amenable number.

1653559008 is an abundant number, since it is smaller than the sum of its proper divisors (2804356272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1653559008 is a wasteful number, since it uses less digits than its factorization.

1653559008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465579 (or 465571 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 1653559008 is about 40663.9767853563. The cubic root of 1653559008 is about 1182.5147479861.

The spelling of 1653559008 in words is "one billion, six hundred fifty-three million, five hundred fifty-nine thousand, eight".