675566155 has 24 divisors (see below), whose sum is σ = 899385552. Its totient is φ = 483120000.

The previous prime is 675566131. The next prime is 675566183. The reversal of 675566155 is 551665576.

It is not a de Polignac number, because 675566155 - 2¹¹ = 675564107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203005 + ... + 206305.

It is an arithmetic number, because the mean of its divisors is an integer number (37474398).

Almost surely, 2^675566155 is an apocalyptic number.

675566155 is a deficient number, since it is larger than the sum of its proper divisors (223819397).

675566155 is a wasteful number, since it uses less digits than its factorization.

675566155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439 (or 3378 counting only the distinct ones).

The product of its digits is 945000, while the sum is 46.

The square root of 675566155 is about 25991.6554878676. The cubic root of 675566155 is about 877.4505043740.

The spelling of 675566155 in words is "six hundred seventy-five million, five hundred sixty-six thousand, one hundred fifty-five".