625662506601 has 12 divisors (see below), whose sum is σ = 985892434800. Its totient is φ = 379189397880.

The previous prime is 625662506591. The next prime is 625662506621. The reversal of 625662506601 is 106605266526.

It is a happy number.

625662506601 is a `hidden beast` number, since 6 + 2 + 566 + 25 + 0 + 6 + 60 + 1 = 666.

It is not a de Polignac number, because 625662506601 - 2⁶ = 625662506537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625662506621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3159911551 + ... + 3159911748.

It is an arithmetic number, because the mean of its divisors is an integer number (82157702900).

Almost surely, 2^625662506601 is an apocalyptic number.

It is an amenable number.

625662506601 is a deficient number, since it is larger than the sum of its proper divisors (360229928199).

625662506601 is a wasteful number, since it uses less digits than its factorization.

625662506601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319823316 (or 6319823313 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 625662506601 in words is "six hundred twenty-five billion, six hundred sixty-two million, five hundred six thousand, six hundred one".