667527017428060 has 48 divisors (see below), whose sum is σ = 1483357036718592. Its totient is φ = 251804435220800.

The previous prime is 667527017428021. The next prime is 667527017428087. The reversal of 667527017428060 is 60824710725766.

It is a self number, because there is not a number n which added to its sum of digits gives 667527017428060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10219303186 + ... + 10219368505.

It is an arithmetic number, because the mean of its divisors is an integer number (30903271598304).

Almost surely, 2^{667527017428060} is an apocalyptic number.

It is an amenable number.

667527017428060 is an abundant number, since it is smaller than the sum of its proper divisors (815830019290532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667527017428060 is a wasteful number, since it uses less digits than its factorization.

667527017428060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20438671794 (or 20438671792 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 667527017428060 in words is "six hundred sixty-seven trillion, five hundred twenty-seven billion, seventeen million, four hundred twenty-eight thousand, sixty".