6662120172050 has 96 divisors (see below), whose sum is σ = 14337301020672. Its totient is φ = 2256004457280.

The previous prime is 6662120172049. The next prime is 6662120172053. The reversal of 6662120172050 is 502710212666.

It is a junction number, because it is equal to n+sod(n) for n = 6662120171995 and 6662120172013.

It is not an unprimeable number, because it can be changed into a prime (6662120172053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9576299 + ... + 10248401.

It is an arithmetic number, because the mean of its divisors is an integer number (149346885632).

Almost surely, 2^{6662120172050} is an apocalyptic number.

6662120172050 is an abundant number, since it is smaller than the sum of its proper divisors (7675180848622).

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

6662120172050 is a wasteful number, since it uses less digits than its factorization.

6662120172050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672472 (or 672467 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 6662120172050 in words is "six trillion, six hundred sixty-two billion, one hundred twenty million, one hundred seventy-two thousand, fifty".