221150806608 has 40 divisors (see below), whose sum is σ = 571324592608. Its totient is φ = 73714568832.

The previous prime is 221150806483. The next prime is 221150806691. The reversal of 221150806608 is 806608051122.

221150806608 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2088510 + ... + 2191842.

Almost surely, 2^221150806608 is an apocalyptic number.

It is an amenable number.

221150806608 is an abundant number, since it is smaller than the sum of its proper divisors (350173786000).

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

221150806608 is a wasteful number, since it uses less digits than its factorization.

221150806608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147931 (or 147925 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 221150806608 in words is "two hundred twenty-one billion, one hundred fifty million, eight hundred six thousand, six hundred eight".