514556666 has 12 divisors (see below), whose sum is σ = 835774542. Its totient is φ = 237487536.

The previous prime is 514556659. The next prime is 514556671. The reversal of 514556666 is 666655415.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 328370641 + 186186025 = 18121^2 + 13645^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 760841 + ... + 761516.

Almost surely, 2^514556666 is an apocalyptic number.

514556666 is a deficient number, since it is larger than the sum of its proper divisors (321217876).

514556666 is a wasteful number, since it uses less digits than its factorization.

514556666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522385 (or 1522372 counting only the distinct ones).

The product of its digits is 648000, while the sum is 44.

The square root of 514556666 is about 22683.8415176971. The cubic root of 514556666 is about 801.3293865656.

The spelling of 514556666 in words is "five hundred fourteen million, five hundred fifty-six thousand, six hundred sixty-six".