36671161 has 4 divisors (see below), whose sum is σ = 36717300. Its totient is φ = 36625024.

The previous prime is 36671149. The next prime is 36671183. The reversal of 36671161 is 16117663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16117663 = 47 ⋅342929.

It can be written as a sum of positive squares in 2 ways, for example, as 27405225 + 9265936 = 5235^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 36671161 - 2²¹ = 34574009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36671111) 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, 21856 + ... + 23473.

It is an arithmetic number, because the mean of its divisors is an integer number (9179325).

Almost surely, 2^36671161 is an apocalyptic number.

It is an amenable number.

36671161 is a deficient number, since it is larger than the sum of its proper divisors (46139).

36671161 is an equidigital number, since it uses as much as digits as its factorization.

36671161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46138.

The product of its digits is 4536, while the sum is 31.

The square root of 36671161 is about 6055.6718041849. The cubic root of 36671161 is about 332.2320708921.

The spelling of 36671161 in words is "thirty-six million, six hundred seventy-one thousand, one hundred sixty-one".