16145005550 has 12 divisors (see below), whose sum is σ = 30029710416. Its totient is φ = 6458002200.

The previous prime is 16145005531. The next prime is 16145005577. The reversal of 16145005550 is 5550054161.

It is a super-2 number, since 2×16145005550² (a number of 21 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 161450006 + ... + 161450105.

It is an arithmetic number, because the mean of its divisors is an integer number (2502475868).

Almost surely, 2^16145005550 is an apocalyptic number.

16145005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16145005550 is a deficient number, since it is larger than the sum of its proper divisors (13884704866).

16145005550 is a wasteful number, since it uses less digits than its factorization.

16145005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322900123 (or 322900118 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 16145005550 in words is "sixteen billion, one hundred forty-five million, five thousand, five hundred fifty".