16652916772128 has 672 divisors, whose sum is σ = 60556504006656. Its totient is φ = 4387824359424.

The previous prime is 16652916772117. The next prime is 16652916772169. The reversal of 16652916772128 is 82127761925661.

It is a happy number.

16652916772128 is a `hidden beast` number, since 1 + 6 + 6 + 529 + 1 + 67 + 7 + 21 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

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 111 ways as a sum of consecutive naturals, for example, 2710873825 + ... + 2710879967.

It is an arithmetic number, because the mean of its divisors is an integer number (90113845248).

Almost surely, 2^{16652916772128} is an apocalyptic number.

16652916772128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16652916772128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30278252003328).

16652916772128 is an abundant number, since it is smaller than the sum of its proper divisors (43903587234528).

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

16652916772128 is a wasteful number, since it uses less digits than its factorization.

16652916772128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468 (or 7445 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 16652916772128 in words is "sixteen trillion, six hundred fifty-two billion, nine hundred sixteen million, seven hundred seventy-two thousand, one hundred twenty-eight".