16287763377765 has 32 divisors (see below), whose sum is σ = 28430319206016. Its totient is φ = 7896883900160.

The previous prime is 16287763377763. The next prime is 16287763377797. The reversal of 16287763377765 is 56777336778261.

16287763377765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16287763377765 - 2¹ = 16287763377763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16287763377763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4874719 + ... + 7505891.

It is an arithmetic number, because the mean of its divisors is an integer number (888447475188).

Almost surely, 2^{16287763377765} is an apocalyptic number.

16287763377765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16287763377765 is a deficient number, since it is larger than the sum of its proper divisors (12142555828251).

16287763377765 is a wasteful number, since it uses less digits than its factorization.

16287763377765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668709.

The product of its digits is 2613824640, while the sum is 75.

The spelling of 16287763377765 in words is "sixteen trillion, two hundred eighty-seven billion, seven hundred sixty-three million, three hundred seventy-seven thousand, seven hundred sixty-five".