16220600145 has 24 divisors (see below), whose sum is σ = 28125977256. Its totient is φ = 8647826688.

The previous prime is 16220600141. The next prime is 16220600159. The reversal of 16220600145 is 54100602261.

16220600145 is a `hidden beast` number, since 16 + 2 + 2 + 0 + 600 + 1 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4872598416 + 11348001729 = 69804^2 + 106527^2 .

It is not a de Polignac number, because 16220600145 - 2² = 16220600141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16220600141) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 61429 + ... + 190301.

It is an arithmetic number, because the mean of its divisors is an integer number (1171915719).

Almost surely, 2^16220600145 is an apocalyptic number.

16220600145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16220600145 is a deficient number, since it is larger than the sum of its proper divisors (11905377111).

16220600145 is a wasteful number, since it uses less digits than its factorization.

16220600145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131681 (or 131678 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 16220600145 in words is "sixteen billion, two hundred twenty million, six hundred thousand, one hundred forty-five".