33992169157 has 2 divisors, whose sum is σ = 33992169158. Its totient is φ = 33992169156.

The previous prime is 33992169119. The next prime is 33992169161. The reversal of 33992169157 is 75196129933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18400651201 + 15591517956 = 135649^2 + 124866^2 .

It is a cyclic number.

It is not a de Polignac number, because 33992169157 - 2¹¹ = 33992167109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33992169098 and 33992169107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33992169457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16996084578 + 16996084579.

It is an arithmetic number, because the mean of its divisors is an integer number (16996084579).

Almost surely, 2^33992169157 is an apocalyptic number.

It is an amenable number.

33992169157 is a deficient number, since it is larger than the sum of its proper divisors (1).

33992169157 is an equidigital number, since it uses as much as digits as its factorization.

33992169157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2755620, while the sum is 55.

The spelling of 33992169157 in words is "thirty-three billion, nine hundred ninety-two million, one hundred sixty-nine thousand, one hundred fifty-seven".