66094946965 has 8 divisors (see below), whose sum is σ = 79716546360. Its totient is φ = 52607550912.

The previous prime is 66094946933. The next prime is 66094946971. The reversal of 66094946965 is 56964949066.

It can be written as a sum of positive squares in 4 ways, for example, as 18155406564 + 47939540401 = 134742^2 + 218951^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 66094946965 - 2⁵ = 66094946933 is a prime.

It is a super-2 number, since 2×66094946965² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66094946897 and 66094946906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33549750 + ... + 33551719.

It is an arithmetic number, because the mean of its divisors is an integer number (9964568295).

Almost surely, 2^66094946965 is an apocalyptic number.

It is an amenable number.

66094946965 is a deficient number, since it is larger than the sum of its proper divisors (13621599395).

66094946965 is a wasteful number, since it uses less digits than its factorization.

66094946965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67101671.

The product of its (nonzero) digits is 75582720, while the sum is 64.

The spelling of 66094946965 in words is "sixty-six billion, ninety-four million, nine hundred forty-six thousand, nine hundred sixty-five".