33168997045 has 4 divisors (see below), whose sum is σ = 39802796460. Its totient is φ = 26535197632.

The previous prime is 33168997039. The next prime is 33168997087. The reversal of 33168997045 is 54079986133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54079986133 = 70327 ⋅768979.

It can be written as a sum of positive squares in 2 ways, for example, as 3610447569 + 29558549476 = 60087^2 + 171926^2 .

It is a cyclic number.

It is not a de Polignac number, because 33168997045 - 2¹⁷ = 33168865973 is a prime.

It is a super-2 number, since 2×33168997045² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3316899700 + ... + 3316899709.

It is an arithmetic number, because the mean of its divisors is an integer number (9950699115).

Almost surely, 2^33168997045 is an apocalyptic number.

It is an amenable number.

33168997045 is a deficient number, since it is larger than the sum of its proper divisors (6633799415).

33168997045 is an equidigital number, since it uses as much as digits as its factorization.

33168997045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633799414.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 33168997045 in words is "thirty-three billion, one hundred sixty-eight million, nine hundred ninety-seven thousand, forty-five".