16434121770376 has 8 divisors (see below), whose sum is σ = 30813978319470. Its totient is φ = 8217060885184.

The previous prime is 16434121770331. The next prime is 16434121770377. The reversal of 16434121770376 is 67307712143461.

It can be written as a sum of positive squares in only one way, i.e., 11098825620100 + 5335296150276 = 3331490^2 + 2309826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16434121770377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027132610641 + ... + 1027132610656.

Almost surely, 2^{16434121770376} is an apocalyptic number.

It is an amenable number.

16434121770376 is a deficient number, since it is larger than the sum of its proper divisors (14379856549094).

16434121770376 is a wasteful number, since it uses less digits than its factorization.

16434121770376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054265221303 (or 2054265221299 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 16434121770376 in words is "sixteen trillion, four hundred thirty-four billion, one hundred twenty-one million, seven hundred seventy thousand, three hundred seventy-six".