650455343161 has 8 divisors (see below), whose sum is σ = 701446028360. Its totient is φ = 599601180672.

The previous prime is 650455343159. The next prime is 650455343201. The reversal of 650455343161 is 161343554056.

It can be written as a sum of positive squares in 4 ways, for example, as 54934453161 + 595520890000 = 234381^2 + 771700^2 .

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

It is not a de Polignac number, because 650455343161 - 2¹ = 650455343159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650455343141) 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, 34120776 + ... + 34139833.

It is an arithmetic number, because the mean of its divisors is an integer number (87680753545).

Almost surely, 2^650455343161 is an apocalyptic number.

It is an amenable number.

650455343161 is a deficient number, since it is larger than the sum of its proper divisors (50990685199).

650455343161 is a wasteful number, since it uses less digits than its factorization.

650455343161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68261355.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 650455343161 in words is "six hundred fifty billion, four hundred fifty-five million, three hundred forty-three thousand, one hundred sixty-one".