1830188061 has 16 divisors (see below), whose sum is σ = 2919958720. Its totient is φ = 1126269360.

The previous prime is 1830188033. The next prime is 1830188071. The reversal of 1830188061 is 1608810381.

It is not a de Polignac number, because 1830188061 - 2¹¹ = 1830186013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830188011) 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, 2606755 + ... + 2607456.

It is an arithmetic number, because the mean of its divisors is an integer number (182497420).

Almost surely, 2^1830188061 is an apocalyptic number.

It is an amenable number.

1830188061 is a deficient number, since it is larger than the sum of its proper divisors (1089770659).

1830188061 is a wasteful number, since it uses less digits than its factorization.

1830188061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214233 (or 5214227 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1830188061 is about 42780.6972944575. The cubic root of 1830188061 is about 1223.2030988788.

The spelling of 1830188061 in words is "one billion, eight hundred thirty million, one hundred eighty-eight thousand, sixty-one".