461650344664165 has 8 divisors (see below), whose sum is σ = 557182612520568. Its totient is φ = 367185476448960.

The previous prime is 461650344664163. The next prime is 461650344664207. The reversal of 461650344664165 is 561466443056164.

It can be written as a sum of positive squares in 4 ways, for example, as 61195855637284 + 400454489026881 = 7822778^2 + 20011359^2 .

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

It is not a de Polignac number, because 461650344664165 - 2¹ = 461650344664163 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 (461650344664163) 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, 266849909346 + ... + 266849911075.

It is an arithmetic number, because the mean of its divisors is an integer number (69647826565071).

Almost surely, 2^{461650344664165} is an apocalyptic number.

It is an amenable number.

461650344664165 is a deficient number, since it is larger than the sum of its proper divisors (95532267856403).

461650344664165 is a wasteful number, since it uses less digits than its factorization.

461650344664165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533699820599.

The product of its (nonzero) digits is 149299200, while the sum is 61.

The spelling of 461650344664165 in words is "four hundred sixty-one trillion, six hundred fifty billion, three hundred forty-four million, six hundred sixty-four thousand, one hundred sixty-five".