61652025617 has 16 divisors (see below), whose sum is σ = 75893879040. Its totient is φ = 48770327232.

The previous prime is 61652025613. The next prime is 61652025661. The reversal of 61652025617 is 71652025616.

61652025617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61652025617 - 2² = 61652025613 is a prime.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436763 + ... + 560415.

It is an arithmetic number, because the mean of its divisors is an integer number (4743367440).

Almost surely, 2^61652025617 is an apocalyptic number.

It is an amenable number.

61652025617 is a deficient number, since it is larger than the sum of its proper divisors (14241853423).

61652025617 is a wasteful number, since it uses less digits than its factorization.

61652025617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129152.

The product of its (nonzero) digits is 151200, while the sum is 41.

Subtracting 61652025617 from its reverse (71652025616), we obtain a palindrome (9999999999).

The spelling of 61652025617 in words is "sixty-one billion, six hundred fifty-two million, twenty-five thousand, six hundred seventeen".