650660502085 has 8 divisors (see below), whose sum is σ = 851773748256. Its totient is φ = 473207637840.

The previous prime is 650660502083. The next prime is 650660502097. The reversal of 650660502085 is 580205066056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 650660502085 - 2¹ = 650660502083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650660502083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5915095419 + ... + 5915095528.

It is an arithmetic number, because the mean of its divisors is an integer number (106471718532).

Almost surely, 2^650660502085 is an apocalyptic number.

It is an amenable number.

650660502085 is a deficient number, since it is larger than the sum of its proper divisors (201113246171).

650660502085 is a wasteful number, since it uses less digits than its factorization.

650660502085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11830190963.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 650660502085 in words is "six hundred fifty billion, six hundred sixty million, five hundred two thousand, eighty-five".