33531410161 has 2 divisors, whose sum is σ = 33531410162. Its totient is φ = 33531410160.

The previous prime is 33531410137. The next prime is 33531410179. The reversal of 33531410161 is 16101413533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30165089761 + 3366320400 = 173681^2 + 58020^2 .

It is a cyclic number.

It is not a de Polignac number, because 33531410161 - 2³¹ = 31383926513 is a prime.

It is a super-2 number, since 2×33531410161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33531410461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765705080 + 16765705081.

It is an arithmetic number, because the mean of its divisors is an integer number (16765705081).

Almost surely, 2^33531410161 is an apocalyptic number.

It is an amenable number.

33531410161 is a deficient number, since it is larger than the sum of its proper divisors (1).

33531410161 is an equidigital number, since it uses as much as digits as its factorization.

33531410161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 33531410161 its reverse (16101413533), we get a palindrome (49632823694).

The spelling of 33531410161 in words is "thirty-three billion, five hundred thirty-one million, four hundred ten thousand, one hundred sixty-one".