16770144064 has 28 divisors (see below), whose sum is σ = 34089924708. Its totient is φ = 8180556800.

The previous prime is 16770144029. The next prime is 16770144109. The reversal of 16770144064 is 46044107761.

It can be written as a sum of positive squares in 2 ways, for example, as 3176449600 + 13593694464 = 56360^2 + 116592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192907 + ... + 3198154.

It is an arithmetic number, because the mean of its divisors is an integer number (1217497311).

Almost surely, 2^16770144064 is an apocalyptic number.

It is an amenable number.

16770144064 is an abundant number, since it is smaller than the sum of its proper divisors (17319780644).

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

16770144064 is an equidigital number, since it uses as much as digits as its factorization.

16770144064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391114 (or 6391104 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 16770144064 in words is "sixteen billion, seven hundred seventy million, one hundred forty-four thousand, sixty-four".