464546161 has 4 divisors (see below), whose sum is σ = 465271524. Its totient is φ = 463820800.

The previous prime is 464546141. The next prime is 464546183. The reversal of 464546161 is 161645464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231800625 + 232745536 = 15225^2 + 15256^2 .

It is a cyclic number.

It is not a de Polignac number, because 464546161 - 2²³ = 456157553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 464546161.

It is not an unprimeable number, because it can be changed into a prime (464546101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361720 + ... + 363001.

It is an arithmetic number, because the mean of its divisors is an integer number (116317881).

Almost surely, 2^464546161 is an apocalyptic number.

It is an amenable number.

464546161 is a deficient number, since it is larger than the sum of its proper divisors (725363).

464546161 is an equidigital number, since it uses as much as digits as its factorization.

464546161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725362.

The product of its digits is 69120, while the sum is 37.

The square root of 464546161 is about 21553.3329441179. The cubic root of 464546161 is about 774.4789621641.

The spelling of 464546161 in words is "four hundred sixty-four million, five hundred forty-six thousand, one hundred sixty-one".