356145220566 has 12 divisors (see below), whose sum is σ = 771647977932. Its totient is φ = 118715073516.

The previous prime is 356145220507. The next prime is 356145220577. The reversal of 356145220566 is 665022541653.

356145220566 is a `hidden beast` number, since 3 + 5 + 6 + 14 + 52 + 20 + 566 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9892922776 + ... + 9892922811.

It is an arithmetic number, because the mean of its divisors is an integer number (64303998161).

Almost surely, 2^356145220566 is an apocalyptic number.

356145220566 is an abundant number, since it is smaller than the sum of its proper divisors (415502757366).

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

356145220566 is a wasteful number, since it uses less digits than its factorization.

356145220566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19785845595 (or 19785845592 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 356145220566 in words is "three hundred fifty-six billion, one hundred forty-five million, two hundred twenty thousand, five hundred sixty-six".