16434143427250 has 64 divisors (see below), whose sum is σ = 32578414708320. Its totient is φ = 6186210201600.

The previous prime is 16434143427239. The next prime is 16434143427253. The reversal of 16434143427250 is 5272434143461.

It can be written as a sum of positive squares in 16 ways, for example, as 168401074689 + 16265742352561 = 410367^2 + 4033081^2 .

It is a super-3 number, since 3×16434143427250³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16434143427250.

It is not an unprimeable number, because it can be changed into a prime (16434143427253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34909434 + ... + 35377066.

Almost surely, 2^{16434143427250} is an apocalyptic number.

16434143427250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16434143427250 is a deficient number, since it is larger than the sum of its proper divisors (16144271281070).

16434143427250 is a wasteful number, since it uses less digits than its factorization.

16434143427250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475936 (or 475926 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 16434143427250 in words is "sixteen trillion, four hundred thirty-four billion, one hundred forty-three million, four hundred twenty-seven thousand, two hundred fifty".