16818652851135 has 32 divisors (see below), whose sum is σ = 28574888493312. Its totient is φ = 8417974725120.

The previous prime is 16818652851041. The next prime is 16818652851167. The reversal of 16818652851135 is 53115825681861.

It is a happy number.

It is not a de Polignac number, because 16818652851135 - 2¹² = 16818652847039 is a prime.

It is a congruent number.

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, 94948261 + ... + 95125230.

It is an arithmetic number, because the mean of its divisors is an integer number (892965265416).

Almost surely, 2^{16818652851135} is an apocalyptic number.

16818652851135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16818652851135 is a deficient number, since it is larger than the sum of its proper divisors (11756235642177).

16818652851135 is a wasteful number, since it uses less digits than its factorization.

16818652851135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190073863.

The product of its digits is 13824000, while the sum is 60.

The spelling of 16818652851135 in words is "sixteen trillion, eight hundred eighteen billion, six hundred fifty-two million, eight hundred fifty-one thousand, one hundred thirty-five".