61652025616 has 20 divisors (see below), whose sum is σ = 120252487500. Its totient is φ = 30619125632.

The previous prime is 61652025613. The next prime is 61652025661.

61652025616 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 5700854016 + 55951171600 = 75504^2 + 236540^2 .

It is not an unprimeable number, because it can be changed into a prime (61652025613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12927991 + ... + 12932758.

It is an arithmetic number, because the mean of its divisors is an integer number (6012624375).

Almost surely, 2^61652025616 is an apocalyptic number.

It is an amenable number.

61652025616 is a deficient number, since it is larger than the sum of its proper divisors (58600461884).

61652025616 is a wasteful number, since it uses less digits than its factorization.

61652025616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25860906 (or 25860900 counting only the distinct ones).

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

The spelling of 61652025616 in words is "sixty-one billion, six hundred fifty-two million, twenty-five thousand, six hundred sixteen".