16066333145 has 4 divisors (see below), whose sum is σ = 19279599780. Its totient is φ = 12853066512.

The previous prime is 16066333117. The next prime is 16066333147. The reversal of 16066333145 is 54133366061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54133366061 = 59 ⋅917514679.

It can be written as a sum of positive squares in 2 ways, for example, as 5907305881 + 10159027264 = 76859^2 + 100792^2 .

It is a cyclic number.

It is not a de Polignac number, because 16066333145 - 2⁶ = 16066333081 is a prime.

It is a super-2 number, since 2×16066333145² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16066333099 and 16066333108.

It is not an unprimeable number, because it can be changed into a prime (16066333147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1606633310 + ... + 1606633319.

It is an arithmetic number, because the mean of its divisors is an integer number (4819899945).

Almost surely, 2^16066333145 is an apocalyptic number.

It is an amenable number.

16066333145 is a deficient number, since it is larger than the sum of its proper divisors (3213266635).

16066333145 is an equidigital number, since it uses as much as digits as its factorization.

16066333145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213266634.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 16066333145 in words is "sixteen billion, sixty-six million, three hundred thirty-three thousand, one hundred forty-five".