16612828851081 has 16 divisors (see below), whose sum is σ = 22167816910848. Its totient is φ = 11066530534800.

The previous prime is 16612828851023. The next prime is 16612828851119. The reversal of 16612828851081 is 18015882821661.

It is a happy number.

It is not a de Polignac number, because 16612828851081 - 2²² = 16612824656777 is a prime.

It is a super-2 number, since 2×16612828851081² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16612828850081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255113716 + ... + 255178826.

It is an arithmetic number, because the mean of its divisors is an integer number (1385488556928).

Almost surely, 2^{16612828851081} is an apocalyptic number.

It is an amenable number.

16612828851081 is a deficient number, since it is larger than the sum of its proper divisors (5554988059767).

16612828851081 is a wasteful number, since it uses less digits than its factorization.

16612828851081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130532.

The product of its (nonzero) digits is 2949120, while the sum is 57.

The spelling of 16612828851081 in words is "sixteen trillion, six hundred twelve billion, eight hundred twenty-eight million, eight hundred fifty-one thousand, eighty-one".