65960706125 has 16 divisors (see below), whose sum is σ = 83872157616. Its totient is φ = 51772926400.

The previous prime is 65960706107. The next prime is 65960706127. The reversal of 65960706125 is 52160706956.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11730406249 + 54230299876 = 108307^2 + 232874^2 .

It is not a de Polignac number, because 65960706125 - 2²⁴ = 65943928909 is a prime.

It is a super-2 number, since 2×65960706125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65960706125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65960706127) 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, 4971542 + ... + 4984791.

It is an arithmetic number, because the mean of its divisors is an integer number (5242009851).

Almost surely, 2^65960706125 is an apocalyptic number.

It is an amenable number.

65960706125 is a deficient number, since it is larger than the sum of its proper divisors (17911451491).

65960706125 is an equidigital number, since it uses as much as digits as its factorization.

65960706125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956401 (or 9956391 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 65960706125 in words is "sixty-five billion, nine hundred sixty million, seven hundred six thousand, one hundred twenty-five".