651500160165 has 12 divisors (see below), whose sum is σ = 1129266944364. Its totient is φ = 347466752064.

The previous prime is 651500160163. The next prime is 651500160197. The reversal of 651500160165 is 561061005156.

651500160165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189885906081 + 461614254084 = 435759^2 + 679422^2 .

It is not a de Polignac number, because 651500160165 - 2¹ = 651500160163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651500160163) 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, 7238890624 + ... + 7238890713.

It is an arithmetic number, because the mean of its divisors is an integer number (94105578697).

Almost surely, 2^651500160165 is an apocalyptic number.

It is an amenable number.

651500160165 is a deficient number, since it is larger than the sum of its proper divisors (477766784199).

651500160165 is a wasteful number, since it uses less digits than its factorization.

651500160165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477781348 (or 14477781345 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 651500160165 in words is "six hundred fifty-one billion, five hundred million, one hundred sixty thousand, one hundred sixty-five".