666656062 has 16 divisors (see below), whose sum is σ = 1016386272. Its totient is φ = 327882240.

The previous prime is 666656057. The next prime is 666656113. The reversal of 666656062 is 260656666.

It is a congruent number.

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, 59758 + ... + 70030.

It is an arithmetic number, because the mean of its divisors is an integer number (63524142).

Almost surely, 2^666656062 is an apocalyptic number.

666656062 is a deficient number, since it is larger than the sum of its proper divisors (349730210).

666656062 is a wasteful number, since it uses less digits than its factorization.

666656062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10803.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 666656062 is about 25819.6836154125. The cubic root of 666656062 is about 873.5758326969.

It can be divided in two parts, 66665 and 6062, that added together give a palindrome (72727).

The spelling of 666656062 in words is "six hundred sixty-six million, six hundred fifty-six thousand, sixty-two".