66034361 has 4 divisors (see below), whose sum is σ = 66060432. Its totient is φ = 66008292.

The previous prime is 66034333. The next prime is 66034417. The reversal of 66034361 is 16343066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66034361 - 2²² = 61840057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66034321) 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, 8771 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (16515108).

Almost surely, 2^66034361 is an apocalyptic number.

It is an amenable number.

66034361 is a deficient number, since it is larger than the sum of its proper divisors (26071).

66034361 is a wasteful number, since it uses less digits than its factorization.

66034361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26070.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 66034361 is about 8126.1529028194. The cubic root of 66034361 is about 404.1941217376.

The spelling of 66034361 in words is "sixty-six million, thirty-four thousand, three hundred sixty-one".