556665165106 has 8 divisors (see below), whose sum is σ = 839236315500. Its totient is φ = 276919726608.

The previous prime is 556665165103. The next prime is 556665165143. The reversal of 556665165106 is 601561566655.

It can be written as a sum of positive squares in 2 ways, for example, as 392992325881 + 163672839225 = 626891^2 + 404565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×556665165106² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (556665165103) 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, 706427481 + ... + 706428268.

Almost surely, 2^556665165106 is an apocalyptic number.

556665165106 is a deficient number, since it is larger than the sum of its proper divisors (282571150394).

556665165106 is a wasteful number, since it uses less digits than its factorization.

556665165106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412855948.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 556665165106 in words is "five hundred fifty-six billion, six hundred sixty-five million, one hundred sixty-five thousand, one hundred six".