653601616 has 40 divisors (see below), whose sum is σ = 1289674400. Its totient is φ = 320817024.

The previous prime is 653601593. The next prime is 653601659. The reversal of 653601616 is 616106356.

653601616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×653601616² = 854390144875622912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373255 + ... + 375001.

It is an arithmetic number, because the mean of its divisors is an integer number (32241860).

Almost surely, 2^653601616 is an apocalyptic number.

It is an amenable number.

653601616 is a deficient number, since it is larger than the sum of its proper divisors (636072784).

653601616 is a wasteful number, since it uses less digits than its factorization.

653601616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 653601616 is about 25565.6334949870. The cubic root of 653601616 is about 867.8360878878.

The spelling of 653601616 in words is "six hundred fifty-three million, six hundred one thousand, six hundred sixteen".