16770803616 has 144 divisors (see below), whose sum is σ = 54549278784. Its totient is φ = 4787776512.

The previous prime is 16770803597. The next prime is 16770803629. The reversal of 16770803616 is 61630807761.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3277476 + ... + 3282588.

It is an arithmetic number, because the mean of its divisors is an integer number (378814436).

Almost surely, 2^16770803616 is an apocalyptic number.

16770803616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16770803616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27274639392).

16770803616 is an abundant number, since it is smaller than the sum of its proper divisors (37778475168).

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

16770803616 is a wasteful number, since it uses less digits than its factorization.

16770803616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763 (or 6752 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 16770803616 in words is "sixteen billion, seven hundred seventy million, eight hundred three thousand, six hundred sixteen".