16646300022 has 16 divisors (see below), whose sum is σ = 36319200192. Its totient is φ = 5044333320.

The previous prime is 16646299991. The next prime is 16646300029. The reversal of 16646300022 is 22000364661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16646300029) 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, 126108268 + ... + 126108399.

It is an arithmetic number, because the mean of its divisors is an integer number (2269950012).

Almost surely, 2^16646300022 is an apocalyptic number.

16646300022 is an abundant number, since it is smaller than the sum of its proper divisors (19672900170).

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

16646300022 is a wasteful number, since it uses less digits than its factorization.

16646300022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252216683.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 16646300022 its reverse (22000364661), we get a palindrome (38646664683).

The spelling of 16646300022 in words is "sixteen billion, six hundred forty-six million, three hundred thousand, twenty-two".