333404994503161 has 9 divisors (see below), whose sum is σ = 387838611677061. Its totient is φ = 285775600017852.

The previous prime is 333404994503123. The next prime is 333404994503197. The reversal of 333404994503161 is 161305499404333.

The square root of 333404994503161 is 18259381.

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

It is not a de Polignac number, because 333404994503161 - 2¹⁷ = 333404994372089 is a prime.

It is a super-2 number, since 2×333404994503161² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (333404994504161) 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, 126511426 + ... + 129119908.

It is an arithmetic number, because the mean of its divisors is an integer number (43093179075229).

Almost surely, 2^{333404994503161} is an apocalyptic number.

333404994503161 is the 18259381-st square number.

333404994503161 is the 9129691-st centered octagonal number.

It is an amenable number.

333404994503161 is a deficient number, since it is larger than the sum of its proper divisors (54433617173900).

333404994503161 is an frugal number, since it uses more digits than its factorization.

333404994503161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216980 (or 2608490 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 55.

The spelling of 333404994503161 in words is "three hundred thirty-three trillion, four hundred four billion, nine hundred ninety-four million, five hundred three thousand, one hundred sixty-one".