1849823164 has 24 divisors (see below), whose sum is σ = 3700779488. Its totient is φ = 792538560.

The previous prime is 1849823113. The next prime is 1849823189. The reversal of 1849823164 is 4613289481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106534 + ... + 122674.

Almost surely, 2^1849823164 is an apocalyptic number.

1849823164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1849823164 is an abundant number, since it is smaller than the sum of its proper divisors (1850956324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1849823164 is a wasteful number, since it uses less digits than its factorization.

1849823164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20245 (or 20243 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 1849823164 is about 43009.5706093423. The cubic root of 1849823164 is about 1227.5619107017.

The spelling of 1849823164 in words is "one billion, eight hundred forty-nine million, eight hundred twenty-three thousand, one hundred sixty-four".