675520071617 has 16 divisors (see below), whose sum is σ = 740576552400. Its totient is φ = 613315799040.

The previous prime is 675520071613. The next prime is 675520071619. The reversal of 675520071617 is 716170025576.

It can be written as a sum of positive squares in 8 ways, for example, as 12787312561 + 662732759056 = 113081^2 + 814084^2 .

It is a cyclic number.

It is not a de Polignac number, because 675520071617 - 2² = 675520071613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675520071613) 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, 50234 + ... + 1163427.

It is an arithmetic number, because the mean of its divisors is an integer number (46286034525).

Almost surely, 2^675520071617 is an apocalyptic number.

It is an amenable number.

675520071617 is a deficient number, since it is larger than the sum of its proper divisors (65056480783).

675520071617 is a wasteful number, since it uses less digits than its factorization.

675520071617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214836.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 675520071617 in words is "six hundred seventy-five billion, five hundred twenty million, seventy-one thousand, six hundred seventeen".