33146813968 has 20 divisors (see below), whose sum is σ = 64943549820. Its totient is φ = 16387188224.

The previous prime is 33146813941. The next prime is 33146814007. The reversal of 33146813968 is 86931864133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18488384784 + 14658429184 = 135972^2 + 121072^2 .

It is a super-2 number, since 2×33146813968² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11637205 + ... + 11640052.

It is an arithmetic number, because the mean of its divisors is an integer number (3247177491).

Almost surely, 2^33146813968 is an apocalyptic number.

It is an amenable number.

33146813968 is a deficient number, since it is larger than the sum of its proper divisors (31796735852).

33146813968 is a wasteful number, since it uses less digits than its factorization.

33146813968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23277354 (or 23277348 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The spelling of 33146813968 in words is "thirty-three billion, one hundred forty-six million, eight hundred thirteen thousand, nine hundred sixty-eight".