16622560445 has 8 divisors (see below), whose sum is σ = 20021226840. Its totient is φ = 13248612160.

The previous prime is 16622560429. The next prime is 16622560463. The reversal of 16622560445 is 54406522661.

It can be written as a sum of positive squares in 4 ways, for example, as 273869401 + 16348691044 = 16549^2 + 127862^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16622560445 - 2⁴ = 16622560429 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6178046 + ... + 6180735.

It is an arithmetic number, because the mean of its divisors is an integer number (2502653355).

Almost surely, 2^16622560445 is an apocalyptic number.

It is an amenable number.

16622560445 is a deficient number, since it is larger than the sum of its proper divisors (3398666395).

16622560445 is a wasteful number, since it uses less digits than its factorization.

16622560445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359055.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 16622560445 in words is "sixteen billion, six hundred twenty-two million, five hundred sixty thousand, four hundred forty-five".