33256850161 has 16 divisors (see below), whose sum is σ = 35036789760. Its totient is φ = 31506178000.

The previous prime is 33256850149. The next prime is 33256850227. The reversal of 33256850161 is 16105865233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33256850161 is a prime.

It is a super-2 number, since 2×33256850161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33256850131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017276 + ... + 1049458.

It is an arithmetic number, because the mean of its divisors is an integer number (2189799360).

Almost surely, 2^33256850161 is an apocalyptic number.

It is an amenable number.

33256850161 is a deficient number, since it is larger than the sum of its proper divisors (1779939599).

33256850161 is a wasteful number, since it uses less digits than its factorization.

33256850161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32636.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 33256850161 in words is "thirty-three billion, two hundred fifty-six million, eight hundred fifty thousand, one hundred sixty-one".