66079161 has 12 divisors (see below), whose sum is σ = 99597888. Its totient is φ = 42137304.

The previous prime is 66079159. The next prime is 66079171. The reversal of 66079161 is 16197066.

It is not a de Polignac number, because 66079161 - 2¹ = 66079159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66079121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159405 + ... + 159818.

It is an arithmetic number, because the mean of its divisors is an integer number (8299824).

Almost surely, 2^66079161 is an apocalyptic number.

It is an amenable number.

66079161 is a deficient number, since it is larger than the sum of its proper divisors (33518727).

66079161 is a wasteful number, since it uses less digits than its factorization.

66079161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319252 (or 319249 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 66079161 is about 8128.9089673830. The cubic root of 66079161 is about 404.2855075097.

The spelling of 66079161 in words is "sixty-six million, seventy-nine thousand, one hundred sixty-one".