451270066 has 16 divisors (see below), whose sum is σ = 771856344. Its totient is φ = 196026624.

The previous prime is 451270031. The next prime is 451270081. The reversal of 451270066 is 660072154.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 325044841 + 126225225 = 18029^2 + 11235^2 .

It is an unprimeable number.

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, 510045 + ... + 510928.

Almost surely, 2^451270066 is an apocalyptic number.

451270066 is a deficient number, since it is larger than the sum of its proper divisors (320586278).

451270066 is a wasteful number, since it uses less digits than its factorization.

451270066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021005.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 451270066 is about 21243.1180856295. The cubic root of 451270066 is about 767.0296911730.

The spelling of 451270066 in words is "four hundred fifty-one million, two hundred seventy thousand, sixty-six".