3366146561 has 4 divisors (see below), whose sum is σ = 3367066692. Its totient is φ = 3365226432.

The previous prime is 3366146543. The next prime is 3366146587. The reversal of 3366146561 is 1656416633.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1494286336 + 1871860225 = 38656^2 + 43265^2 .

It is a cyclic number.

It is not a de Polignac number, because 3366146561 - 2²² = 3361952257 is a prime.

It is a super-2 number, since 2×3366146561² = 22661885340264253442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3366146461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454556 + ... + 461901.

It is an arithmetic number, because the mean of its divisors is an integer number (841766673).

Almost surely, 2^3366146561 is an apocalyptic number.

It is an amenable number.

3366146561 is a deficient number, since it is larger than the sum of its proper divisors (920131).

3366146561 is an equidigital number, since it uses as much as digits as its factorization.

3366146561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920130.

The product of its digits is 233280, while the sum is 41.

The square root of 3366146561 is about 58018.5018851745. The cubic root of 3366146561 is about 1498.6872308340.

The spelling of 3366146561 in words is "three billion, three hundred sixty-six million, one hundred forty-six thousand, five hundred sixty-one".