33161560602421 has 2 divisors, whose sum is σ = 33161560602422. Its totient is φ = 33161560602420.

The previous prime is 33161560602407. The next prime is 33161560602523. The reversal of 33161560602421 is 12420606516133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32980774066321 + 180786536100 = 5742889^2 + 425190^2 .

It is a cyclic number.

It is not a de Polignac number, because 33161560602421 - 2¹¹ = 33161560600373 is a prime.

It is a super-2 number, since 2×33161560602421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33161560662421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16580780301210 + 16580780301211.

It is an arithmetic number, because the mean of its divisors is an integer number (16580780301211).

Almost surely, 2^{33161560602421} is an apocalyptic number.

It is an amenable number.

33161560602421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33161560602421 is an equidigital number, since it uses as much as digits as its factorization.

33161560602421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 33161560602421 in words is "thirty-three trillion, one hundred sixty-one billion, five hundred sixty million, six hundred two thousand, four hundred twenty-one".