16774334540427 has 32 divisors (see below), whose sum is σ = 22725927290880. Its totient is φ = 11003795936640.

The previous prime is 16774334540423. The next prime is 16774334540473. The reversal of 16774334540427 is 72404543347761.

It is not a de Polignac number, because 16774334540427 - 2² = 16774334540423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16774334540423) 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, 332120058 + ... + 332170560.

It is an arithmetic number, because the mean of its divisors is an integer number (710185227840).

Almost surely, 2^{16774334540427} is an apocalyptic number.

16774334540427 is a deficient number, since it is larger than the sum of its proper divisors (5951592750453).

16774334540427 is a wasteful number, since it uses less digits than its factorization.

16774334540427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55323.

The product of its (nonzero) digits is 47416320, while the sum is 57.

The spelling of 16774334540427 in words is "sixteen trillion, seven hundred seventy-four billion, three hundred thirty-four million, five hundred forty thousand, four hundred twenty-seven".