1860218130 has 32 divisors (see below), whose sum is σ = 4465710144. Its totient is φ = 495926336.

The previous prime is 1860218099. The next prime is 1860218131. The reversal of 1860218130 is 318120681.

It is a super-2 number, since 2×1860218130² = 6920822982361393800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1860218131) 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, 169057 + ... + 179723.

It is an arithmetic number, because the mean of its divisors is an integer number (139553442).

Almost surely, 2^1860218130 is an apocalyptic number.

1860218130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1860218130 is an abundant number, since it is smaller than the sum of its proper divisors (2605492014).

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

1860218130 is a wasteful number, since it uses less digits than its factorization.

1860218130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16490.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1860218130 is about 43130.2461156901. The cubic root of 1860218130 is about 1229.8570195357.

The spelling of 1860218130 in words is "one billion, eight hundred sixty million, two hundred eighteen thousand, one hundred thirty".