206422970416 has 80 divisors (see below), whose sum is σ = 454249815040. Its totient is φ = 90084337920.

The previous prime is 206422970401. The next prime is 206422970449. The reversal of 206422970416 is 614079224602.

It is a super-2 number, since 2×206422970416² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016961 + ... + 2116831.

It is an arithmetic number, because the mean of its divisors is an integer number (5678122688).

Almost surely, 2^206422970416 is an apocalyptic number.

206422970416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206422970416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227124907520).

206422970416 is an abundant number, since it is smaller than the sum of its proper divisors (247826844624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206422970416 is a wasteful number, since it uses less digits than its factorization.

206422970416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100434 (or 100428 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 206422970416 in words is "two hundred six billion, four hundred twenty-two million, nine hundred seventy thousand, four hundred sixteen".