33161125297 has 4 divisors (see below), whose sum is σ = 33344336116. Its totient is φ = 32977914480.

The previous prime is 33161125271. The next prime is 33161125303. The reversal of 33161125297 is 79252116133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12297922816 + 20863202481 = 110896^2 + 144441^2 .

It is a cyclic number.

It is not a de Polignac number, because 33161125297 - 2⁷ = 33161125169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33161125247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91605138 + ... + 91605499.

It is an arithmetic number, because the mean of its divisors is an integer number (8336084029).

Almost surely, 2^33161125297 is an apocalyptic number.

It is an amenable number.

33161125297 is a deficient number, since it is larger than the sum of its proper divisors (183210819).

33161125297 is a wasteful number, since it uses less digits than its factorization.

33161125297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183210818.

The product of its digits is 68040, while the sum is 40.

The spelling of 33161125297 in words is "thirty-three billion, one hundred sixty-one million, one hundred twenty-five thousand, two hundred ninety-seven".