66236093 has 12 divisors (see below), whose sum is σ = 84055392. Its totient is φ = 51612120.

The previous prime is 66236083. The next prime is 66236099. The reversal of 66236093 is 39063266.

It is not a de Polignac number, because 66236093 - 2²⁰ = 65187517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66236099) 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, 60905 + ... + 61982.

It is an arithmetic number, because the mean of its divisors is an integer number (7004616).

Almost surely, 2^66236093 is an apocalyptic number.

It is an amenable number.

66236093 is a deficient number, since it is larger than the sum of its proper divisors (17819299).

66236093 is a wasteful number, since it uses less digits than its factorization.

66236093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122912 (or 122905 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 66236093 is about 8138.5559529931. Note that the first 3 decimals coincide. The cubic root of 66236093 is about 404.6053015912.

The spelling of 66236093 in words is "sixty-six million, two hundred thirty-six thousand, ninety-three".