221260117486 has 8 divisors (see below), whose sum is σ = 331913103984. Its totient is φ = 110622416160.

The previous prime is 221260117469. The next prime is 221260117487. The reversal of 221260117486 is 684711062122.

221260117486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221260117487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3785035 + ... + 3843046.

It is an arithmetic number, because the mean of its divisors is an integer number (41489137998).

Almost surely, 2^221260117486 is an apocalyptic number.

221260117486 is a deficient number, since it is larger than the sum of its proper divisors (110652986498).

221260117486 is a wasteful number, since it uses less digits than its factorization.

221260117486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642586.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 221260117486 in words is "two hundred twenty-one billion, two hundred sixty million, one hundred seventeen thousand, four hundred eighty-six".