16040774418274 has 4 divisors (see below), whose sum is σ = 24061161627414. Its totient is φ = 8020387209136.

The previous prime is 16040774418241. The next prime is 16040774418289. The reversal of 16040774418274 is 47281447704061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10786790705625 + 5253983712649 = 3284325^2 + 2292157^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4010193604567 + ... + 4010193604570.

Almost surely, 2^{16040774418274} is an apocalyptic number.

16040774418274 is a deficient number, since it is larger than the sum of its proper divisors (8020387209140).

16040774418274 is an equidigital number, since it uses as much as digits as its factorization.

16040774418274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020387209139.

The product of its (nonzero) digits is 8429568, while the sum is 55.

The spelling of 16040774418274 in words is "sixteen trillion, forty billion, seven hundred seventy-four million, four hundred eighteen thousand, two hundred seventy-four".