161410511 has 2 divisors, whose sum is σ = 161410512. Its totient is φ = 161410510.

The previous prime is 161410507. The next prime is 161410541. The reversal of 161410511 is 115014161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161410511 - 2² = 161410507 is a prime.

It is a super-2 number, since 2×161410511² = 52106706122562242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161410541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80705255 + 80705256.

It is an arithmetic number, because the mean of its divisors is an integer number (80705256).

Almost surely, 2^161410511 is an apocalyptic number.

161410511 is a deficient number, since it is larger than the sum of its proper divisors (1).

161410511 is an equidigital number, since it uses as much as digits as its factorization.

161410511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 161410511 is about 12704.7436416482. The cubic root of 161410511 is about 544.4741565518.

Adding to 161410511 its reverse (115014161), we get a palindrome (276424672).

The spelling of 161410511 in words is "one hundred sixty-one million, four hundred ten thousand, five hundred eleven".