66231476 has 12 divisors (see below), whose sum is σ = 119902020. Its totient is φ = 31973760.

The previous prime is 66231463. The next prime is 66231479. The reversal of 66231476 is 67413266.

It can be written as a sum of positive squares in 2 ways, for example, as 25603600 + 40627876 = 5060^2 + 6374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66231479) 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, 285365 + ... + 285596.

It is an arithmetic number, because the mean of its divisors is an integer number (9991835).

Almost surely, 2^66231476 is an apocalyptic number.

It is an amenable number.

66231476 is a deficient number, since it is larger than the sum of its proper divisors (53670544).

66231476 is a wasteful number, since it uses less digits than its factorization.

66231476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570994 (or 570992 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 66231476 is about 8138.2722982215. The cubic root of 66231476 is about 404.5959003418.

The spelling of 66231476 in words is "sixty-six million, two hundred thirty-one thousand, four hundred seventy-six".