464168661 has 8 divisors (see below), whose sum is σ = 675154464. Its totient is φ = 281314320.

The previous prime is 464168657. The next prime is 464168669. The reversal of 464168661 is 166861464.

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

It is not a de Polignac number, because 464168661 - 2² = 464168657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464168669) 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, 7032826 + ... + 7032891.

It is an arithmetic number, because the mean of its divisors is an integer number (84394308).

Almost surely, 2^464168661 is an apocalyptic number.

It is an amenable number.

464168661 is a deficient number, since it is larger than the sum of its proper divisors (210985803).

464168661 is a wasteful number, since it uses less digits than its factorization.

464168661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14065731.

The product of its digits is 165888, while the sum is 42.

The square root of 464168661 is about 21544.5738180174. The cubic root of 464168661 is about 774.2691193378.

The spelling of 464168661 in words is "four hundred sixty-four million, one hundred sixty-eight thousand, six hundred sixty-one".