1818146530 has 16 divisors (see below), whose sum is σ = 3274945344. Its totient is φ = 726751600.

The previous prime is 1818146509. The next prime is 1818146531. The reversal of 1818146530 is 356418181.

It is a self number, because there is not a number n which added to its sum of digits gives 1818146530.

It is not an unprimeable number, because it can be changed into a prime (1818146531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48142 + ... + 77161.

It is an arithmetic number, because the mean of its divisors is an integer number (204684084).

Almost surely, 2^1818146530 is an apocalyptic number.

1818146530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1818146530 is a deficient number, since it is larger than the sum of its proper divisors (1456798814).

1818146530 is a wasteful number, since it uses less digits than its factorization.

1818146530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126761.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1818146530 is about 42639.7294785040. The cubic root of 1818146530 is about 1220.5145482492.

The spelling of 1818146530 in words is "one billion, eight hundred eighteen million, one hundred forty-six thousand, five hundred thirty".