675166930553 has 4 divisors (see below), whose sum is σ = 675180101988. Its totient is φ = 675153759120.

The previous prime is 675166930547. The next prime is 675166930573. The reversal of 675166930553 is 355039661576.

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

It can be written as a sum of positive squares in 2 ways, for example, as 552044542009 + 123122388544 = 742997^2 + 350888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675166930553 is a prime.

It is a super-2 number, since 2×675166930553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675166930573) 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, 6508526 + ... + 6611447.

It is an arithmetic number, because the mean of its divisors is an integer number (168795025497).

Almost surely, 2^675166930553 is an apocalyptic number.

It is an amenable number.

675166930553 is a deficient number, since it is larger than the sum of its proper divisors (13171435).

675166930553 is a wasteful number, since it uses less digits than its factorization.

675166930553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13171434.

The product of its (nonzero) digits is 15309000, while the sum is 56.

The spelling of 675166930553 in words is "six hundred seventy-five billion, one hundred sixty-six million, nine hundred thirty thousand, five hundred fifty-three".