25616061652 has 24 divisors (see below), whose sum is σ = 48568899456. Its totient is φ = 11774275968.

The previous prime is 25616061641. The next prime is 25616061661.

25616061652 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25616061652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4377388 + ... + 4383235.

It is an arithmetic number, because the mean of its divisors is an integer number (2023704144).

Almost surely, 2^25616061652 is an apocalyptic number.

It is an amenable number.

25616061652 is a deficient number, since it is larger than the sum of its proper divisors (22952837804).

25616061652 is a wasteful number, since it uses less digits than its factorization.

25616061652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760687 (or 8760685 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 25616061652 in words is "twenty-five billion, six hundred sixteen million, sixty-one thousand, six hundred fifty-two".