549890470116 has 135 divisors (see below), whose sum is σ = 1557098350731. Its totient is φ = 169143676416.

The previous prime is 549890470099. The next prime is 549890470123. The reversal of 549890470116 is 611074098945.

The square root of 549890470116 is 741546.

It is a perfect power (a square), and thus also a powerful number.

549890470116 is a `hidden beast` number, since 54 + 9 + 8 + 9 + 0 + 470 + 116 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 667188900 + 549223281216 = 25830^2 + 741096^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 173520180 + ... + 173523348.

Almost surely, 2^549890470116 is an apocalyptic number.

549890470116 is the 741546-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549890470116

549890470116 is an abundant number, since it is smaller than the sum of its proper divisors (1007207880615).

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

549890470116 is an equidigital number, since it uses as much as digits as its factorization.

549890470116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 549890470116 in words is "five hundred forty-nine billion, eight hundred ninety million, four hundred seventy thousand, one hundred sixteen".