6678372550 has 24 divisors (see below), whose sum is σ = 12426421176. Its totient is φ = 2670349440.

The previous prime is 6678372521. The next prime is 6678372641. The reversal of 6678372550 is 552738766.

It is a junction number, because it is equal to n+sod(n) for n = 6678372494 and 6678372503.

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, 118077 + ... + 165223.

It is an arithmetic number, because the mean of its divisors is an integer number (517767549).

Almost surely, 2^6678372550 is an apocalyptic number.

6678372550 is a deficient number, since it is larger than the sum of its proper divisors (5748048626).

6678372550 is a wasteful number, since it uses less digits than its factorization.

6678372550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49992 (or 49987 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The square root of 6678372550 is about 81721.3102562606. The cubic root of 6678372550 is about 1883.1729794469.

The spelling of 6678372550 in words is "six billion, six hundred seventy-eight million, three hundred seventy-two thousand, five hundred fifty".