18060000156 has 144 divisors (see below), whose sum is σ = 52518560640. Its totient is φ = 5175239040.

The previous prime is 18060000097. The next prime is 18060000173. The reversal of 18060000156 is 65100006081.

18060000156 is a `hidden beast` number, since 1 + 8 + 0 + 600 + 0 + 0 + 1 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4836066 + ... + 4839798.

Almost surely, 2^18060000156 is an apocalyptic number.

It is a pronic number, being equal to 134387×134388.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18060000156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26259280320).

18060000156 is an abundant number, since it is smaller than the sum of its proper divisors (34458560484).

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

18060000156 is a wasteful number, since it uses less digits than its factorization.

18060000156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416 (or 4411 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 18060000156 in words is "eighteen billion, sixty million, one hundred fifty-six", and thus it is an aban number.