16845623890 has 16 divisors (see below), whose sum is σ = 31640476608. Its totient is φ = 6445282096.

The previous prime is 16845623887. The next prime is 16845623923. The reversal of 16845623890 is 9832654861.

16845623890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36620692 + ... + 36621151.

It is an arithmetic number, because the mean of its divisors is an integer number (1977529788).

Almost surely, 2^16845623890 is an apocalyptic number.

16845623890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16845623890 is a deficient number, since it is larger than the sum of its proper divisors (14794852718).

16845623890 is a wasteful number, since it uses less digits than its factorization.

16845623890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73241873.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 16845623890 in words is "sixteen billion, eight hundred forty-five million, six hundred twenty-three thousand, eight hundred ninety".