66361323 has 8 divisors (see below), whose sum is σ = 101122048. Its totient is φ = 37920744.

The previous prime is 66361301. The next prime is 66361349. The reversal of 66361323 is 32316366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66361323 - 2⁸ = 66361067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66361363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580011 + ... + 1580052.

It is an arithmetic number, because the mean of its divisors is an integer number (12640256).

Almost surely, 2^66361323 is an apocalyptic number.

66361323 is a deficient number, since it is larger than the sum of its proper divisors (34760725).

66361323 is a wasteful number, since it uses less digits than its factorization.

66361323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160073.

The product of its digits is 11664, while the sum is 30.

The square root of 66361323 is about 8146.2459452192. The cubic root of 66361323 is about 404.8601315520.

Adding to 66361323 its reverse (32316366), we get a palindrome (98677689).

The spelling of 66361323 in words is "sixty-six million, three hundred sixty-one thousand, three hundred twenty-three".