16545366550140 has 24 divisors (see below), whose sum is σ = 46327026340560. Its totient is φ = 4412097746688.

The previous prime is 16545366550129. The next prime is 16545366550177. The reversal of 16545366550140 is 4105566354561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137878054525 + ... + 137878054644.

It is an arithmetic number, because the mean of its divisors is an integer number (1930292764190).

Almost surely, 2^{16545366550140} is an apocalyptic number.

16545366550140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16545366550140 is an abundant number, since it is smaller than the sum of its proper divisors (29781659790420).

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

16545366550140 is a wasteful number, since it uses less digits than its factorization.

16545366550140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275756109181 (or 275756109179 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 16545366550140 in words is "sixteen trillion, five hundred forty-five billion, three hundred sixty-six million, five hundred fifty thousand, one hundred forty".