66303244234 has 4 divisors (see below), whose sum is σ = 99454866354. Its totient is φ = 33151622116.

The previous prime is 66303244219. The next prime is 66303244237. The reversal of 66303244234 is 43244230366.

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

It can be written as a sum of positive squares in only one way, i.e., 43729083225 + 22574161009 = 209115^2 + 150247^2 .

It is a super-2 number, since 2×66303244234² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66303244193 and 66303244202.

It is not an unprimeable number, because it can be changed into a prime (66303244237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16575811057 + ... + 16575811060.

Almost surely, 2^66303244234 is an apocalyptic number.

66303244234 is a deficient number, since it is larger than the sum of its proper divisors (33151622120).

66303244234 is a wasteful number, since it uses less digits than its factorization.

66303244234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33151622119.

The product of its (nonzero) digits is 248832, while the sum is 37.

The spelling of 66303244234 in words is "sixty-six billion, three hundred three million, two hundred forty-four thousand, two hundred thirty-four".