464520161 has 8 divisors (see below), whose sum is σ = 533103360. Its totient is φ = 396492768.

The previous prime is 464520107. The next prime is 464520169. The reversal of 464520161 is 161025464.

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

It is a de Polignac number, because none of the positive numbers 2^k-464520161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (464520169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137156 + ... + 140501.

It is an arithmetic number, because the mean of its divisors is an integer number (66637920).

Almost surely, 2^464520161 is an apocalyptic number.

It is an amenable number.

464520161 is a deficient number, since it is larger than the sum of its proper divisors (68583199).

464520161 is a wasteful number, since it uses less digits than its factorization.

464520161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277903.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 464520161 is about 21552.7297807030. The cubic root of 464520161 is about 774.4645130592.

The spelling of 464520161 in words is "four hundred sixty-four million, five hundred twenty thousand, one hundred sixty-one".