1605410411 has 8 divisors (see below), whose sum is σ = 1760160000. Its totient is φ = 1452128040.

The previous prime is 1605410393. The next prime is 1605410413. The reversal of 1605410411 is 1140145061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1605410411 - 2⁶ = 1605410347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1605410413) 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 in 7 ways as a sum of consecutive naturals, for example, 364511 + ... + 368888.

It is an arithmetic number, because the mean of its divisors is an integer number (220020000).

Almost surely, 2^1605410411 is an apocalyptic number.

1605410411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1605410411 is a deficient number, since it is larger than the sum of its proper divisors (154749589).

1605410411 is a wasteful number, since it uses less digits than its factorization.

1605410411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733609.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1605410411 is about 40067.5730610178. The cubic root of 1605410411 is about 1170.9239568844.

Adding to 1605410411 its reverse (1140145061), we get a palindrome (2745555472).

The spelling of 1605410411 in words is "one billion, six hundred five million, four hundred ten thousand, four hundred eleven".