1646112441 has 16 divisors (see below), whose sum is σ = 2217849920. Its totient is φ = 1085918400.

The previous prime is 1646112427. The next prime is 1646112469. The reversal of 1646112441 is 1442116461.

It is not a de Polignac number, because 1646112441 - 2⁷ = 1646112313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1646112399 and 1646112408.

It is not an unprimeable number, because it can be changed into a prime (1646112641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285891 + ... + 291591.

It is an arithmetic number, because the mean of its divisors is an integer number (138615620).

Almost surely, 2^1646112441 is an apocalyptic number.

It is an amenable number.

1646112441 is a deficient number, since it is larger than the sum of its proper divisors (571737479).

1646112441 is a wasteful number, since it uses less digits than its factorization.

1646112441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6696.

The product of its digits is 4608, while the sum is 30.

The square root of 1646112441 is about 40572.3112602671. The cubic root of 1646112441 is about 1180.7369812026.

The spelling of 1646112441 in words is "one billion, six hundred forty-six million, one hundred twelve thousand, four hundred forty-one".