66030963 has 4 divisors (see below), whose sum is σ = 88041288. Its totient is φ = 44020640.

The previous prime is 66030949. The next prime is 66031013. The reversal of 66030963 is 36903066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66030963 - 2¹³ = 66022771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66030463) 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, 11005158 + ... + 11005163.

It is an arithmetic number, because the mean of its divisors is an integer number (22010322).

Almost surely, 2^66030963 is an apocalyptic number.

66030963 is a deficient number, since it is larger than the sum of its proper divisors (22010325).

66030963 is a wasteful number, since it uses less digits than its factorization.

66030963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22010324.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 66030963 is about 8125.9438221046. The cubic root of 66030963 is about 404.1871886038.

The spelling of 66030963 in words is "sixty-six million, thirty thousand, nine hundred sixty-three".