1841364664 has 16 divisors (see below), whose sum is σ = 3453278400. Its totient is φ = 920490432.

The previous prime is 1841364649. The next prime is 1841364671. The reversal of 1841364664 is 4664631481.

It is a self number, because there is not a number n which added to its sum of digits gives 1841364664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21972 + ... + 64540.

It is an arithmetic number, because the mean of its divisors is an integer number (215829900).

Almost surely, 2^1841364664 is an apocalyptic number.

It is an amenable number.

1841364664 is a deficient number, since it is larger than the sum of its proper divisors (1611913736).

1841364664 is a wasteful number, since it uses less digits than its factorization.

1841364664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47982 (or 47978 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 1841364664 is about 42911.1251775108. The cubic root of 1841364664 is about 1225.6880020269.

The spelling of 1841364664 in words is "one billion, eight hundred forty-one million, three hundred sixty-four thousand, six hundred sixty-four".