634241066 has 8 divisors (see below), whose sum is σ = 1007324100. Its totient is φ = 298466368.

The previous prime is 634241057. The next prime is 634241093. The reversal of 634241066 is 660142436.

It can be written as a sum of positive squares in 2 ways, for example, as 478515625 + 155725441 = 21875^2 + 12479^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9327041 + ... + 9327108.

Almost surely, 2^634241066 is an apocalyptic number.

634241066 is a deficient number, since it is larger than the sum of its proper divisors (373083034).

634241066 is a wasteful number, since it uses less digits than its factorization.

634241066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18654168.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 634241066 is about 25184.1431460354. The cubic root of 634241066 is about 859.1812407620.

The spelling of 634241066 in words is "six hundred thirty-four million, two hundred forty-one thousand, sixty-six".