1818565672060 has 48 divisors (see below), whose sum is σ = 4020992388000. Its totient is φ = 688968370944.

The previous prime is 1818565672057. The next prime is 1818565672067. The reversal of 1818565672060 is 602765658181.

It is a super-2 number, since 2×1818565672060² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1818565671992 and 1818565672010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818565672067) 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, 928666 + ... + 2121214.

It is an arithmetic number, because the mean of its divisors is an integer number (83770674750).

Almost surely, 2^{1818565672060} is an apocalyptic number.

1818565672060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1818565672060 is an abundant number, since it is smaller than the sum of its proper divisors (2202426715940).

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

1818565672060 is a wasteful number, since it uses less digits than its factorization.

1818565672060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196590 (or 1196588 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 1818565672060 in words is "one trillion, eight hundred eighteen billion, five hundred sixty-five million, six hundred seventy-two thousand, sixty".