16770007765 has 16 divisors (see below), whose sum is σ = 24351743232. Its totient is φ = 10822996224.

The previous prime is 16770007759. The next prime is 16770007789. The reversal of 16770007765 is 56770007761.

16770007765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16770007765 - 2¹¹ = 16770005717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14091849 + ... + 14093038.

It is an arithmetic number, because the mean of its divisors is an integer number (1521983952).

Almost surely, 2^16770007765 is an apocalyptic number.

It is an amenable number.

16770007765 is a deficient number, since it is larger than the sum of its proper divisors (7581735467).

16770007765 is a wasteful number, since it uses less digits than its factorization.

16770007765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28184916.

The product of its (nonzero) digits is 432180, while the sum is 46.

The spelling of 16770007765 in words is "sixteen billion, seven hundred seventy million, seven thousand, seven hundred sixty-five".