18152156556236 has 12 divisors (see below), whose sum is σ = 31808237352528. Its totient is φ = 9064088741232.

The previous prime is 18152156556229. The next prime is 18152156556251. The reversal of 18152156556236 is 63265565125181.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2997380816 + ... + 2997386871.

It is an arithmetic number, because the mean of its divisors is an integer number (2650686446044).

Almost surely, 2^{18152156556236} is an apocalyptic number.

It is an amenable number.

18152156556236 is a deficient number, since it is larger than the sum of its proper divisors (13656080796292).

18152156556236 is a wasteful number, since it uses less digits than its factorization.

18152156556236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994768448 (or 5994768446 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 56.

The spelling of 18152156556236 in words is "eighteen trillion, one hundred fifty-two billion, one hundred fifty-six million, five hundred fifty-six thousand, two hundred thirty-six".