209548066096 has 40 divisors (see below), whose sum is σ = 427656864320. Its totient is φ = 99192465216.

The previous prime is 209548066067. The next prime is 209548066097. The reversal of 209548066096 is 690660845902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (209548066097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218431 + ... + 683233.

It is an arithmetic number, because the mean of its divisors is an integer number (10691421608).

Almost surely, 2^209548066096 is an apocalyptic number.

It is an amenable number.

209548066096 is an abundant number, since it is smaller than the sum of its proper divisors (218108798224).

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

209548066096 is a wasteful number, since it uses less digits than its factorization.

209548066096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466313 (or 466307 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 209548066096 in words is "two hundred nine billion, five hundred forty-eight million, sixty-six thousand, ninety-six".