1860546664018 has 12 divisors (see below), whose sum is σ = 3246464077182. Its totient is φ = 797377141680.

The previous prime is 1860546664003. The next prime is 1860546664063. The reversal of 1860546664018 is 8104666450681.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1859576777569 + 969886449 = 1363663^2 + 31143^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1860546664018.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9492584923 + ... + 9492585118.

Almost surely, 2^{1860546664018} is an apocalyptic number.

1860546664018 is a deficient number, since it is larger than the sum of its proper divisors (1385917413164).

1860546664018 is a wasteful number, since it uses less digits than its factorization.

1860546664018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18985170057 (or 18985170050 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 1860546664018 in words is "one trillion, eight hundred sixty billion, five hundred forty-six million, six hundred sixty-four thousand, eighteen".