262420666 has 8 divisors (see below), whose sum is σ = 414348480. Its totient is φ = 124304508.

The previous prime is 262420663. The next prime is 262420729. The reversal of 262420666 is 666024262.

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 (262420663) 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, 3452866 + ... + 3452941.

It is an arithmetic number, because the mean of its divisors is an integer number (51793560).

Almost surely, 2^262420666 is an apocalyptic number.

262420666 is a deficient number, since it is larger than the sum of its proper divisors (151927814).

262420666 is a wasteful number, since it uses less digits than its factorization.

262420666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905828.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 262420666 is about 16199.4032606143. The cubic root of 262420666 is about 640.2250722056.

The spelling of 262420666 in words is "two hundred sixty-two million, four hundred twenty thousand, six hundred sixty-six".