82673161 has 4 divisors (see below), whose sum is σ = 87024400. Its totient is φ = 78321924.

The previous prime is 82673153. The next prime is 82673191. The reversal of 82673161 is 16137628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82673161 - 2³ = 82673153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82673131) 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, 2175591 + ... + 2175628.

It is an arithmetic number, because the mean of its divisors is an integer number (21756100).

Almost surely, 2^82673161 is an apocalyptic number.

It is an amenable number.

82673161 is a deficient number, since it is larger than the sum of its proper divisors (4351239).

82673161 is a wasteful number, since it uses less digits than its factorization.

82673161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351238.

The product of its digits is 12096, while the sum is 34.

The square root of 82673161 is about 9092.4782650276. The cubic root of 82673161 is about 435.6337457410.

The spelling of 82673161 in words is "eighty-two million, six hundred seventy-three thousand, one hundred sixty-one".