16765388791422 has 32 divisors (see below), whose sum is σ = 34930781141760. Its totient is φ = 5359749478080.

The previous prime is 16765388791409. The next prime is 16765388791427. The reversal of 16765388791422 is 22419788356761.

It is a super-2 number, since 2×16765388791422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16765388791427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577544698 + ... + 577573725.

It is an arithmetic number, because the mean of its divisors is an integer number (1091586910680).

Almost surely, 2^{16765388791422} is an apocalyptic number.

16765388791422 is an abundant number, since it is smaller than the sum of its proper divisors (18165392350338).

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

16765388791422 is a wasteful number, since it uses less digits than its factorization.

16765388791422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155118528.

The product of its digits is 243855360, while the sum is 69.

The spelling of 16765388791422 in words is "sixteen trillion, seven hundred sixty-five billion, three hundred eighty-eight million, seven hundred ninety-one thousand, four hundred twenty-two".