221526068150 has 12 divisors (see below), whose sum is σ = 412038486852. Its totient is φ = 88610427240.

The previous prime is 221526068131. The next prime is 221526068167. The reversal of 221526068150 is 51860625122.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2215260632 + ... + 2215260731.

It is an arithmetic number, because the mean of its divisors is an integer number (34336540571).

Almost surely, 2^221526068150 is an apocalyptic number.

221526068150 is a deficient number, since it is larger than the sum of its proper divisors (190512418702).

221526068150 is a wasteful number, since it uses less digits than its factorization.

221526068150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430521375 (or 4430521370 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 221526068150 in words is "two hundred twenty-one billion, five hundred twenty-six million, sixty-eight thousand, one hundred fifty".