1864518373660 has 12 divisors (see below), whose sum is σ = 3915488584728. Its totient is φ = 745807349456.

The previous prime is 1864518373607. The next prime is 1864518373661. The reversal of 1864518373660 is 663738154681.

It is a junction number, because it is equal to n+sod(n) for n = 1864518373595 and 1864518373604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864518373661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46612959322 + ... + 46612959361.

It is an arithmetic number, because the mean of its divisors is an integer number (326290715394).

Almost surely, 2^{1864518373660} is an apocalyptic number.

1864518373660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1864518373660 is an abundant number, since it is smaller than the sum of its proper divisors (2050970211068).

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

1864518373660 is a wasteful number, since it uses less digits than its factorization.

1864518373660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93225918692 (or 93225918690 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 1864518373660 in words is "one trillion, eight hundred sixty-four billion, five hundred eighteen million, three hundred seventy-three thousand, six hundred sixty".