66255010 has 8 divisors (see below), whose sum is σ = 119259036. Its totient is φ = 26502000.

The previous prime is 66254989. The next prime is 66255017. The reversal of 66255010 is 1055266.

It can be written as a sum of positive squares in 2 ways, for example, as 59706529 + 6548481 = 7727^2 + 2559^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66255017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312741 + ... + 3312760.

Almost surely, 2^66255010 is an apocalyptic number.

66255010 is a deficient number, since it is larger than the sum of its proper divisors (53004026).

66255010 is a wasteful number, since it uses less digits than its factorization.

66255010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625508.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 66255010 is about 8139.7180540852. The cubic root of 66255010 is about 404.6438162922.

The spelling of 66255010 in words is "sixty-six million, two hundred fifty-five thousand, ten".