146536661 has 4 divisors (see below), whose sum is σ = 146850912. Its totient is φ = 146222412.

The previous prime is 146536633. The next prime is 146536693. The reversal of 146536661 is 166635641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146536661 - 2¹⁴ = 146520277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146538661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156425 + ... + 157358.

It is an arithmetic number, because the mean of its divisors is an integer number (36712728).

Almost surely, 2^146536661 is an apocalyptic number.

It is an amenable number.

146536661 is a deficient number, since it is larger than the sum of its proper divisors (314251).

146536661 is an equidigital number, since it uses as much as digits as its factorization.

146536661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314250.

The product of its digits is 77760, while the sum is 38.

The square root of 146536661 is about 12105.2327941267. The cubic root of 146536661 is about 527.2081279550.

The spelling of 146536661 in words is "one hundred forty-six million, five hundred thirty-six thousand, six hundred sixty-one".