3665013146161 has 8 divisors (see below), whose sum is σ = 3735951987240. Its totient is φ = 3594140514432.

The previous prime is 3665013146141. The next prime is 3665013146167. The reversal of 3665013146161 is 1616413105663.

It can be written as a sum of positive squares in 4 ways, for example, as 2087273667600 + 1577739478561 = 1444740^2 + 1256081^2 .

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 3665013146161 - 2¹¹ = 3665013144113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3665013146167) 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, 16440550 + ... + 16661983.

It is an arithmetic number, because the mean of its divisors is an integer number (466993998405).

Almost surely, 2^{3665013146161} is an apocalyptic number.

It is an amenable number.

3665013146161 is a deficient number, since it is larger than the sum of its proper divisors (70938841079).

3665013146161 is a wasteful number, since it uses less digits than its factorization.

3665013146161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33104675.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 3665013146161 in words is "three trillion, six hundred sixty-five billion, thirteen million, one hundred forty-six thousand, one hundred sixty-one".