671600550 has 24 divisors (see below), whose sum is σ = 1665569736. Its totient is φ = 179093440.

The previous prime is 671600491. The next prime is 671600603. The reversal of 671600550 is 55006176.

671600550 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 11 ways as a sum of consecutive naturals, for example, 2238519 + ... + 2238818.

It is an arithmetic number, because the mean of its divisors is an integer number (69398739).

Almost surely, 2^671600550 is an apocalyptic number.

671600550 is an abundant number, since it is smaller than the sum of its proper divisors (993969186).

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

671600550 is a wasteful number, since it uses less digits than its factorization.

671600550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477352 (or 4477347 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 671600550 is about 25915.2570892129. The cubic root of 671600550 is about 875.7302420985.

The spelling of 671600550 in words is "six hundred seventy-one million, six hundred thousand, five hundred fifty".