655166010 has 16 divisors (see below), whose sum is σ = 1572398496. Its totient is φ = 174710928.

The previous prime is 655165991. The next prime is 655166011. The reversal of 655166010 is 10661556.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 21838867 = 655166010 / (6 + 5 + 5 + 1 + 6 + 6 + 0 + 1 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (655166011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10919404 + ... + 10919463.

It is an arithmetic number, because the mean of its divisors is an integer number (98274906).

Almost surely, 2^655166010 is an apocalyptic number.

655166010 is an abundant number, since it is smaller than the sum of its proper divisors (917232486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655166010 is a wasteful number, since it uses less digits than its factorization.

655166010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21838877.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 655166010 is about 25596.2108523899. The cubic root of 655166010 is about 868.5279241206.

The spelling of 655166010 in words is "six hundred fifty-five million, one hundred sixty-six thousand, ten".