2525660716064 has 12 divisors (see below), whose sum is σ = 4972394534814. Its totient is φ = 1262830358016.

The previous prime is 2525660716037. The next prime is 2525660716079. The reversal of 2525660716064 is 4606170665252.

It can be written as a sum of positive squares in only one way, i.e., 2511882651664 + 13778064400 = 1584892^2 + 117380^2 .

It is a super-3 number, since 3×2525660716064³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39463448657 + ... + 39463448720.

Almost surely, 2^{2525660716064} is an apocalyptic number.

It is an amenable number.

2525660716064 is a deficient number, since it is larger than the sum of its proper divisors (2446733818750).

2525660716064 is an equidigital number, since it uses as much as digits as its factorization.

2525660716064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78926897387 (or 78926897379 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 2525660716064 in words is "two trillion, five hundred twenty-five billion, six hundred sixty million, seven hundred sixteen thousand, sixty-four".