1866675560 has 16 divisors (see below), whose sum is σ = 4200020100. Its totient is φ = 746670208.

The previous prime is 1866675527. The next prime is 1866675581. The reversal of 1866675560 is 655766681.

It can be written as a sum of positive squares in 2 ways, for example, as 1837493956 + 29181604 = 42866^2 + 5402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1866675499 and 1866675508.

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, 23333405 + ... + 23333484.

Almost surely, 2^1866675560 is an apocalyptic number.

1866675560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1866675560 is an abundant number, since it is smaller than the sum of its proper divisors (2333344540).

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

1866675560 is a wasteful number, since it uses less digits than its factorization.

1866675560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46666900 (or 46666896 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 1866675560 is about 43205.0409095976. The cubic root of 1866675560 is about 1231.2784556798.

The spelling of 1866675560 in words is "one billion, eight hundred sixty-six million, six hundred seventy-five thousand, five hundred sixty".