675260666 has 4 divisors (see below), whose sum is σ = 1012891002. Its totient is φ = 337630332.

The previous prime is 675260647. The next prime is 675260671. The reversal of 675260666 is 666062576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 626050441 + 49210225 = 25021^2 + 7015^2 .

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 as a sum of consecutive naturals, namely, 168815165 + ... + 168815168.

Almost surely, 2^675260666 is an apocalyptic number.

675260666 is a deficient number, since it is larger than the sum of its proper divisors (337630336).

675260666 is a wasteful number, since it uses less digits than its factorization.

675260666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337630335.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 675260666 is about 25985.7781488259. The cubic root of 675260666 is about 877.3182242663.

The spelling of 675260666 in words is "six hundred seventy-five million, two hundred sixty thousand, six hundred sixty-six".