675660161 has 16 divisors (see below), whose sum is σ = 756571200. Its totient is φ = 598086720.

The previous prime is 675660133. The next prime is 675660163. The reversal of 675660161 is 161066576.

It is not a de Polignac number, because 675660161 - 2¹⁰ = 675659137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (675660163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163031 + ... + 167123.

It is an arithmetic number, because the mean of its divisors is an integer number (47285700).

Almost surely, 2^675660161 is an apocalyptic number.

It is an amenable number.

675660161 is a deficient number, since it is larger than the sum of its proper divisors (80911039).

675660161 is a wasteful number, since it uses less digits than its factorization.

675660161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 675660161 is about 25993.4638130435. The cubic root of 675660161 is about 877.4912019854.

The spelling of 675660161 in words is "six hundred seventy-five million, six hundred sixty thousand, one hundred sixty-one".