200116554 has 64 divisors (see below), whose sum is σ = 470292480. Its totient is φ = 56088320.

The previous prime is 200116549. The next prime is 200116577. The reversal of 200116554 is 455611002.

200116554 is nontrivially palindromic in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64687 + ... + 67709.

It is an arithmetic number, because the mean of its divisors is an integer number (7348320).

Almost surely, 2^200116554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200116554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235146240).

200116554 is an abundant number, since it is smaller than the sum of its proper divisors (270175926).

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

200116554 is a wasteful number, since it uses less digits than its factorization.

200116554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 200116554 is about 14146.2558297240. The cubic root of 200116554 is about 584.9171275696.

Adding to 200116554 its reverse (455611002), we get a palindrome (655727556).

It can be divided in two parts, 20011 and 6554, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 200116554 in words is "two hundred million, one hundred sixteen thousand, five hundred fifty-four".