66336434 has 8 divisors (see below), whose sum is σ = 99550620. Its totient is φ = 33152896.

The previous prime is 66336433. The next prime is 66336481. The reversal of 66336434 is 43463366.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61701025 + 4635409 = 7855^2 + 2153^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 66336394 and 66336403.

It is not an unprimeable number, because it can be changed into a prime (66336433) 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, 1139 + ... + 11574.

Almost surely, 2^66336434 is an apocalyptic number.

66336434 is a deficient number, since it is larger than the sum of its proper divisors (33214186).

66336434 is a wasteful number, since it uses less digits than its factorization.

66336434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324.

The product of its digits is 93312, while the sum is 35.

The square root of 66336434 is about 8144.7181657808. The cubic root of 66336434 is about 404.8095105810.

The spelling of 66336434 in words is "sixty-six million, three hundred thirty-six thousand, four hundred thirty-four".