6665161112146 has 16 divisors (see below), whose sum is σ = 10326057315840. Its totient is φ = 3223263003840.

The previous prime is 6665161112143. The next prime is 6665161112147. The reversal of 6665161112146 is 6412111615666.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6665161112096 and 6665161112105.

It is not an unprimeable number, because it can be changed into a prime (6665161112143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30138166 + ... + 30358513.

It is an arithmetic number, because the mean of its divisors is an integer number (645378582240).

Almost surely, 2^{6665161112146} is an apocalyptic number.

6665161112146 is a deficient number, since it is larger than the sum of its proper divisors (3660896203694).

6665161112146 is a wasteful number, since it uses less digits than its factorization.

6665161112146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60498489.

The product of its digits is 311040, while the sum is 46.

The spelling of 6665161112146 in words is "six trillion, six hundred sixty-five billion, one hundred sixty-one million, one hundred twelve thousand, one hundred forty-six".