16774252532405 has 16 divisors (see below), whose sum is σ = 20285272934784. Its totient is φ = 13315314143040.

The previous prime is 16774252532371. The next prime is 16774252532407. The reversal of 16774252532405 is 50423525247761.

It is a happy number.

It is not a de Polignac number, because 16774252532405 - 2²⁸ = 16773984096949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16774252532407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3718712 + ... + 6883118.

It is an arithmetic number, because the mean of its divisors is an integer number (1267829558424).

Almost surely, 2^{16774252532405} is an apocalyptic number.

It is an amenable number.

16774252532405 is a deficient number, since it is larger than the sum of its proper divisors (3511020402379).

16774252532405 is a wasteful number, since it uses less digits than its factorization.

16774252532405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172636.

The product of its (nonzero) digits is 14112000, while the sum is 53.

The spelling of 16774252532405 in words is "sixteen trillion, seven hundred seventy-four billion, two hundred fifty-two million, five hundred thirty-two thousand, four hundred five".