161152616250229 has 2 divisors, whose sum is σ = 161152616250230. Its totient is φ = 161152616250228.

The previous prime is 161152616250139. The next prime is 161152616250281. The reversal of 161152616250229 is 922052616251161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132399588276004 + 28753027974225 = 11506502^2 + 5362185^2 .

It is a cyclic number.

It is not a de Polignac number, because 161152616250229 - 2⁹ = 161152616249717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161152616257229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80576308125114 + 80576308125115.

It is an arithmetic number, because the mean of its divisors is an integer number (80576308125115).

Almost surely, 2^{161152616250229} is an apocalyptic number.

It is an amenable number.

161152616250229 is a deficient number, since it is larger than the sum of its proper divisors (1).

161152616250229 is an equidigital number, since it uses as much as digits as its factorization.

161152616250229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 161152616250229 in words is "one hundred sixty-one trillion, one hundred fifty-two billion, six hundred sixteen million, two hundred fifty thousand, two hundred twenty-nine".