733642396161 has 4 divisors (see below), whose sum is σ = 978189861552. Its totient is φ = 489094930772.

The previous prime is 733642396141. The next prime is 733642396171. The reversal of 733642396161 is 161693246337.

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 733642396161 - 2²⁵ = 733608841729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (733642396121) 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, 122273732691 + ... + 122273732696.

It is an arithmetic number, because the mean of its divisors is an integer number (244547465388).

Almost surely, 2^733642396161 is an apocalyptic number.

It is an amenable number.

733642396161 is a deficient number, since it is larger than the sum of its proper divisors (244547465391).

733642396161 is a wasteful number, since it uses less digits than its factorization.

733642396161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244547465390.

The product of its digits is 2939328, while the sum is 51.

The spelling of 733642396161 in words is "seven hundred thirty-three billion, six hundred forty-two million, three hundred ninety-six thousand, one hundred sixty-one".