16553675440 has 40 divisors (see below), whose sum is σ = 38566415520. Its totient is φ = 6607858176.

The previous prime is 16553675393. The next prime is 16553675443. The reversal of 16553675440 is 4457635561.

16553675440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16553675443) by changing a digit.

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, 173485 + ... + 251404.

It is an arithmetic number, because the mean of its divisors is an integer number (964160388).

Almost surely, 2^16553675440 is an apocalyptic number.

16553675440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16553675440 is an abundant number, since it is smaller than the sum of its proper divisors (22012740080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16553675440 is a wasteful number, since it uses less digits than its factorization.

16553675440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425389 (or 425383 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 16553675440 in words is "sixteen billion, five hundred fifty-three million, six hundred seventy-five thousand, four hundred forty".