5657601616 has 40 divisors (see below), whose sum is σ = 11159988840. Its totient is φ = 2777942016.

The previous prime is 5657601611. The next prime is 5657601629. The reversal of 5657601616 is 6161067565.

It can be written as a sum of positive squares in 4 ways, for example, as 1234819600 + 4422782016 = 35140^2 + 66504^2 .

It is a super-2 number, since 2×5657601616² = 64016912090731622912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657601611) 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, 261750 + ... + 282538.

It is an arithmetic number, because the mean of its divisors is an integer number (278999721).

Almost surely, 2^5657601616 is an apocalyptic number.

It is an amenable number.

5657601616 is a deficient number, since it is larger than the sum of its proper divisors (5502387224).

5657601616 is a wasteful number, since it uses less digits than its factorization.

5657601616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21103 (or 21097 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 5657601616 is about 75217.0300929251. The cubic root of 5657601616 is about 1781.8759013915.

The spelling of 5657601616 in words is "five billion, six hundred fifty-seven million, six hundred one thousand, six hundred sixteen".