16434122644474 has 4 divisors (see below), whose sum is σ = 24651183966714. Its totient is φ = 8217061322236.

The previous prime is 16434122644463. The next prime is 16434122644481. The reversal of 16434122644474 is 47444622143461.

It is a happy number.

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., 14310763663849 + 2123358980625 = 3782957^2 + 1457175^2 .

It is a super-2 number, since 2×16434122644474² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108530661117 + ... + 4108530661120.

Almost surely, 2^{16434122644474} is an apocalyptic number.

16434122644474 is a deficient number, since it is larger than the sum of its proper divisors (8217061322240).

16434122644474 is an equidigital number, since it uses as much as digits as its factorization.

16434122644474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217061322239.

The product of its digits is 12386304, while the sum is 52.

The spelling of 16434122644474 in words is "sixteen trillion, four hundred thirty-four billion, one hundred twenty-two million, six hundred forty-four thousand, four hundred seventy-four".