66075323073202 has 4 divisors (see below), whose sum is σ = 99112984609806. Its totient is φ = 33037661536600.

The previous prime is 66075323073107. The next prime is 66075323073211. The reversal of 66075323073202 is 20237032357066.

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., 56907877400361 + 9167445672841 = 7543731^2 + 3027779^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16518830768299 + ... + 16518830768302.

Almost surely, 2^{66075323073202} is an apocalyptic number.

66075323073202 is a deficient number, since it is larger than the sum of its proper divisors (33037661536604).

66075323073202 is a wasteful number, since it uses less digits than its factorization.

66075323073202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33037661536603.

The product of its (nonzero) digits is 1905120, while the sum is 46.

The spelling of 66075323073202 in words is "sixty-six trillion, seventy-five billion, three hundred twenty-three million, seventy-three thousand, two hundred two".