666241562 has 16 divisors (see below), whose sum is σ = 1142551872. Its totient is φ = 285426240.

The previous prime is 666241519. The next prime is 666241567. The reversal of 666241562 is 265142666.

It is not an unprimeable number, because it can be changed into a prime (666241567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39362 + ... + 53682.

It is an arithmetic number, because the mean of its divisors is an integer number (71409492).

Almost surely, 2^666241562 is an apocalyptic number.

666241562 is a deficient number, since it is larger than the sum of its proper divisors (476310310).

666241562 is a wasteful number, since it uses less digits than its factorization.

666241562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17653.

The product of its digits is 103680, while the sum is 38.

The square root of 666241562 is about 25811.6555455089. The cubic root of 666241562 is about 873.3947436891.

It can be divided in two parts, 66624 and 1562, that added together give a palindrome (68186).

The spelling of 666241562 in words is "six hundred sixty-six million, two hundred forty-one thousand, five hundred sixty-two".