18060918540 has 96 divisors (see below), whose sum is σ = 60836805120. Its totient is φ = 3910934016.

The previous prime is 18060918527. The next prime is 18060918581. The reversal of 18060918540 is 4581906081.

It is a super-3 number, since 3×18060918540³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 18060918492 and 18060918501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123657 + ... + 1139616.

It is an arithmetic number, because the mean of its divisors is an integer number (633716720).

Almost surely, 2^18060918540 is an apocalyptic number.

18060918540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18060918540 is an abundant number, since it is smaller than the sum of its proper divisors (42775886580).

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

18060918540 is a wasteful number, since it uses less digits than its factorization.

18060918540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263311 (or 2263309 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 18060918540 in words is "eighteen billion, sixty million, nine hundred eighteen thousand, five hundred forty".