16020045550 has 12 divisors (see below), whose sum is σ = 29797284816. Its totient is φ = 6408018200.

The previous prime is 16020045539. The next prime is 16020045577. The reversal of 16020045550 is 5554002061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160200406 + ... + 160200505.

It is an arithmetic number, because the mean of its divisors is an integer number (2483107068).

Almost surely, 2^16020045550 is an apocalyptic number.

16020045550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16020045550 is a deficient number, since it is larger than the sum of its proper divisors (13777239266).

16020045550 is a wasteful number, since it uses less digits than its factorization.

16020045550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320400923 (or 320400918 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 16020045550 in words is "sixteen billion, twenty million, forty-five thousand, five hundred fifty".