1843418061 has 8 divisors (see below), whose sum is σ = 2730989760. Its totient is φ = 1228945356.

The previous prime is 1843418051. The next prime is 1843418063. The reversal of 1843418061 is 1608143481.

It is a happy number.

1843418061 is a `hidden beast` number, since 184 + 3 + 418 + 0 + 61 = 666.

It is not a de Polignac number, because 1843418061 - 2⁵ = 1843418029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1843418063) 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 7 ways as a sum of consecutive naturals, for example, 34137345 + ... + 34137398.

It is an arithmetic number, because the mean of its divisors is an integer number (341373720).

Almost surely, 2^1843418061 is an apocalyptic number.

It is an amenable number.

1843418061 is a deficient number, since it is larger than the sum of its proper divisors (887571699).

1843418061 is an equidigital number, since it uses as much as digits as its factorization.

1843418061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68274752 (or 68274746 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1843418061 is about 42935.0446721556. The cubic root of 1843418061 is about 1226.1434412544.

It can be divided in two parts, 1843 and 418061, that added together give a square (419904 = 648²).

The spelling of 1843418061 in words is "one billion, eight hundred forty-three million, four hundred eighteen thousand, sixty-one".