66192229166 has 16 divisors (see below), whose sum is σ = 113594559840. Its totient is φ = 28337556480.

The previous prime is 66192229153. The next prime is 66192229177.

It is a happy number.

66192229166 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×66192229166² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531675 + ... + 2557686.

It is an arithmetic number, because the mean of its divisors is an integer number (7099659990).

Almost surely, 2^66192229166 is an apocalyptic number.

66192229166 is a deficient number, since it is larger than the sum of its proper divisors (47402330674).

66192229166 is a wasteful number, since it uses less digits than its factorization.

66192229166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090299.

The product of its digits is 839808, while the sum is 50.

The spelling of 66192229166 in words is "sixty-six billion, one hundred ninety-two million, two hundred twenty-nine thousand, one hundred sixty-six".