1803667164 has 48 divisors (see below), whose sum is σ = 4637711232. Its totient is φ = 542066112.

The previous prime is 1803667163. The next prime is 1803667171. The reversal of 1803667164 is 4617663081.

1803667164 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803667163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127734 + ... + 141149.

It is an arithmetic number, because the mean of its divisors is an integer number (96618984).

Almost surely, 2^1803667164 is an apocalyptic number.

It is an amenable number.

1803667164 is an abundant number, since it is smaller than the sum of its proper divisors (2834044068).

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

1803667164 is a wasteful number, since it uses less digits than its factorization.

1803667164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268946 (or 268944 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1803667164 is about 42469.6028236667. The cubic root of 1803667164 is about 1217.2659288288.

The spelling of 1803667164 in words is "one billion, eight hundred three million, six hundred sixty-seven thousand, one hundred sixty-four".