221567152996 has 48 divisors (see below), whose sum is σ = 459984752640. Its totient is φ = 91380771360.

The previous prime is 221567152991. The next prime is 221567152999. The reversal of 221567152996 is 699251765122.

It is not an unprimeable number, because it can be changed into a prime (221567152991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557650 + ... + 868393.

It is an arithmetic number, because the mean of its divisors is an integer number (9583015680).

Almost surely, 2^221567152996 is an apocalyptic number.

It is an amenable number.

221567152996 is an abundant number, since it is smaller than the sum of its proper divisors (238417599644).

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

221567152996 is a wasteful number, since it uses less digits than its factorization.

221567152996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426264 (or 1426262 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The spelling of 221567152996 in words is "two hundred twenty-one billion, five hundred sixty-seven million, one hundred fifty-two thousand, nine hundred ninety-six".