1644112348 has 12 divisors (see below), whose sum is σ = 2878069320. Its totient is φ = 821806832.

The previous prime is 1644112333. The next prime is 1644112357. The reversal of 1644112348 is 8432114461.

It is a super-3 number, since 3×1644112348³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47086 + ... + 74197.

It is an arithmetic number, because the mean of its divisors is an integer number (239839110).

Almost surely, 2^1644112348 is an apocalyptic number.

It is an amenable number.

1644112348 is a deficient number, since it is larger than the sum of its proper divisors (1233956972).

1644112348 is a wasteful number, since it uses less digits than its factorization.

1644112348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124676 (or 124674 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 1644112348 is about 40547.6552712977. The cubic root of 1644112348 is about 1180.2585730389.

The spelling of 1644112348 in words is "one billion, six hundred forty-four million, one hundred twelve thousand, three hundred forty-eight".