401610169 has 2 divisors, whose sum is σ = 401610170. Its totient is φ = 401610168.

The previous prime is 401610149. The next prime is 401610179. The reversal of 401610169 is 961016104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335805625 + 65804544 = 18325^2 + 8112^2 .

It is a cyclic number.

It is not a de Polignac number, because 401610169 - 2⁵ = 401610137 is a prime.

It is a super-2 number, since 2×401610169² = 322581455688417122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401610149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200805084 + 200805085.

It is an arithmetic number, because the mean of its divisors is an integer number (200805085).

Almost surely, 2^401610169 is an apocalyptic number.

It is an amenable number.

401610169 is a deficient number, since it is larger than the sum of its proper divisors (1).

401610169 is an equidigital number, since it uses as much as digits as its factorization.

401610169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 401610169 is about 20040.2137962647. The cubic root of 401610169 is about 737.7936283249.

The spelling of 401610169 in words is "four hundred one million, six hundred ten thousand, one hundred sixty-nine".