662040266 has 16 divisors (see below), whose sum is σ = 1010004000. Its totient is φ = 325393200.

The previous prime is 662040251. The next prime is 662040283.

662040266 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 61916 + ... + 71816.

It is an arithmetic number, because the mean of its divisors is an integer number (63125250).

Almost surely, 2^662040266 is an apocalyptic number.

662040266 is a deficient number, since it is larger than the sum of its proper divisors (347963734).

662040266 is a wasteful number, since it uses less digits than its factorization.

662040266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469.

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

The square root of 662040266 is about 25730.1431399050. The cubic root of 662040266 is about 871.5550055707. Note that the first 3 decimals are identical.

The spelling of 662040266 in words is "six hundred sixty-two million, forty thousand, two hundred sixty-six".