16404555211874 has 8 divisors (see below), whose sum is σ = 25071112682460. Its totient is φ = 8047517651056.

The previous prime is 16404555211861. The next prime is 16404555211963. The reversal of 16404555211874 is 47811255540461.

It can be written as a sum of positive squares in 2 ways, for example, as 15651573826849 + 752981385025 = 3956207^2 + 867745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77379977309 + ... + 77379977520.

Almost surely, 2^{16404555211874} is an apocalyptic number.

16404555211874 is a deficient number, since it is larger than the sum of its proper divisors (8666557470586).

16404555211874 is a wasteful number, since it uses less digits than its factorization.

16404555211874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154759954884.

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 16404555211874 in words is "sixteen trillion, four hundred four billion, five hundred fifty-five million, two hundred eleven thousand, eight hundred seventy-four".