16612828851085 has 12 divisors (see below), whose sum is σ = 21039848619228. Its totient is φ = 12590775548928.

The previous prime is 16612828851023. The next prime is 16612828851119. The reversal of 16612828851085 is 58015882821661.

It can be written as a sum of positive squares in 2 ways, for example, as 3601846009609 + 13010982841476 = 1897853^2 + 3607074^2 .

It is not a de Polignac number, because 16612828851085 - 2¹³ = 16612828842893 is a prime.

It is a super-2 number, since 2×16612828851085² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4601889844 + ... + 4601893453.

It is an arithmetic number, because the mean of its divisors is an integer number (1753320718269).

Almost surely, 2^{16612828851085} is an apocalyptic number.

It is an amenable number.

16612828851085 is a deficient number, since it is larger than the sum of its proper divisors (4427019768143).

16612828851085 is an equidigital number, since it uses as much as digits as its factorization.

16612828851085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203783340 (or 9203783321 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 61.

The spelling of 16612828851085 in words is "sixteen trillion, six hundred twelve billion, eight hundred twenty-eight million, eight hundred fifty-one thousand, eighty-five".