433396160512561 has 9 divisors (see below), whose sum is σ = 436539464567193. Its totient is φ = 430275329615940.

The previous prime is 433396160512547. The next prime is 433396160512643. The reversal of 433396160512561 is 165215061693334.

The square root of 433396160512561 is 20818169.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 433396160512561 - 2³⁷ = 433258721559089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (433396160512361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2893650606 + ... + 2893800376.

Almost surely, 2^{433396160512561} is an apocalyptic number.

433396160512561 is the 20818169-th square number.

433396160512561 is the 10409085-th centered octagonal number.

It is an amenable number.

433396160512561 is a deficient number, since it is larger than the sum of its proper divisors (3143304054632).

433396160512561 is an frugal number, since it uses more digits than its factorization.

433396160512561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299820 (or 149910 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 55.

The spelling of 433396160512561 in words is "four hundred thirty-three trillion, three hundred ninety-six billion, one hundred sixty million, five hundred twelve thousand, five hundred sixty-one".