464166643 has 2 divisors, whose sum is σ = 464166644. Its totient is φ = 464166642.

The previous prime is 464166641. The next prime is 464166653. The reversal of 464166643 is 346661464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 464166643 - 2¹ = 464166641 is a prime.

Together with 464166641, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 464166596 and 464166605.

It is not a weakly prime, because it can be changed into another prime (464166641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232083321 + 232083322.

It is an arithmetic number, because the mean of its divisors is an integer number (232083322).

Almost surely, 2^464166643 is an apocalyptic number.

464166643 is a deficient number, since it is larger than the sum of its proper divisors (1).

464166643 is an equidigital number, since it uses as much as digits as its factorization.

464166643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 464166643 is about 21544.5269848284. The cubic root of 464166643 is about 774.2679972763.

The spelling of 464166643 in words is "four hundred sixty-four million, one hundred sixty-six thousand, six hundred forty-three".