464161643 has 8 divisors (see below), whose sum is σ = 528374016. Its totient is φ = 403618600.

The previous prime is 464161639. The next prime is 464161699. The reversal of 464161643 is 346161464.

It is a happy number.

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

It is not a de Polignac number, because 464161643 - 2² = 464161639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464161043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917063 + ... + 917568.

It is an arithmetic number, because the mean of its divisors is an integer number (66046752).

Almost surely, 2^464161643 is an apocalyptic number.

464161643 is a deficient number, since it is larger than the sum of its proper divisors (64212373).

464161643 is a wasteful number, since it uses less digits than its factorization.

464161643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834665.

The product of its digits is 41472, while the sum is 35.

The square root of 464161643 is about 21544.4109457650. The cubic root of 464161643 is about 774.2652171297.

The spelling of 464161643 in words is "four hundred sixty-four million, one hundred sixty-one thousand, six hundred forty-three".