221441516134 has 8 divisors (see below), whose sum is σ = 342877186368. Its totient is φ = 107149120680.

The previous prime is 221441516123. The next prime is 221441516137. The reversal of 221441516134 is 431615144122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221441516134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221441516137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785818617 + ... + 1785818740.

It is an arithmetic number, because the mean of its divisors is an integer number (42859648296).

Almost surely, 2^221441516134 is an apocalyptic number.

221441516134 is a deficient number, since it is larger than the sum of its proper divisors (121435670234).

221441516134 is a wasteful number, since it uses less digits than its factorization.

221441516134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571637390.

The product of its digits is 23040, while the sum is 34.

The spelling of 221441516134 in words is "two hundred twenty-one billion, four hundred forty-one million, five hundred sixteen thousand, one hundred thirty-four".