16573545376 has 24 divisors (see below), whose sum is σ = 33681723264. Its totient is φ = 8019456960.

The previous prime is 16573545353. The next prime is 16573545377. The reversal of 16573545376 is 67354537561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16573545377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8352610 + ... + 8354593.

It is an arithmetic number, because the mean of its divisors is an integer number (1403405136).

Almost surely, 2^16573545376 is an apocalyptic number.

16573545376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16573545376 is an abundant number, since it is smaller than the sum of its proper divisors (17108177888).

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

16573545376 is a wasteful number, since it uses less digits than its factorization.

16573545376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16707244 (or 16707236 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 52.

The spelling of 16573545376 in words is "sixteen billion, five hundred seventy-three million, five hundred forty-five thousand, three hundred seventy-six".