66572322350 has 12 divisors (see below), whose sum is σ = 123824519664. Its totient is φ = 26628928920.

The previous prime is 66572322347. The next prime is 66572322391. The reversal of 66572322350 is 5322327566.

It is a junction number, because it is equal to n+sod(n) for n = 66572322298 and 66572322307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665723174 + ... + 665723273.

It is an arithmetic number, because the mean of its divisors is an integer number (10318709972).

Almost surely, 2^66572322350 is an apocalyptic number.

66572322350 is a deficient number, since it is larger than the sum of its proper divisors (57252197314).

66572322350 is a wasteful number, since it uses less digits than its factorization.

66572322350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331446459 (or 1331446454 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 66572322350 in words is "sixty-six billion, five hundred seventy-two million, three hundred twenty-two thousand, three hundred fifty".