550161660 has 48 divisors (see below), whose sum is σ = 1543360896. Its totient is φ = 146432832.

The previous prime is 550161613. The next prime is 550161719. The reversal of 550161660 is 66161055.

550161660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24439 + ... + 41201.

It is an arithmetic number, because the mean of its divisors is an integer number (32153352).

Almost surely, 2^550161660 is an apocalyptic number.

It is an amenable number.

550161660 is an abundant number, since it is smaller than the sum of its proper divisors (993199236).

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

550161660 is a wasteful number, since it uses less digits than its factorization.

550161660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322 (or 17320 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 550161660 is about 23455.5251486723. The cubic root of 550161660 is about 819.4015363592.

It can be divided in two parts, 5501 and 61660, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 550161660 in words is "five hundred fifty million, one hundred sixty-one thousand, six hundred sixty".